How to Add Water Heater + Whole-Home Repipe Service to Your Plumbing Business (2026 Guide)

Plumbing service work has a hard revenue ceiling. A two-truck shop running drain cleaning + leak repair + small fixture work caps somewhere around $300K-$400K annually no matter how hard the techs work. The math: 6-10 service calls per day × $200-$500 average ticket × 240 working days × 2 trucks = ceiling. The shops that break through to $500K-$1M+ all do it the same way — they shift the revenue mix toward water heater replacement ($1,500-$8,000 per ticket) and whole-home repipe ($4,000-$15,000+ per ticket), where each completed job is worth 5-30 service-call tickets.

Like the HVAC service-to-install transition, the plumbing version has a counterintuitive economic reality: **service work has higher gross margin per dollar than install work**. FieldPulse's plumbing-business research puts gross margins at 60-65% with net 10-20% (15-20% considered healthy); installs typically run lower percentage margin but win on **ticket size + recurring tail + customer lifetime value**. A $4,000 tankless conversion with a future anode-rod service relationship + filter delivery + service-call premium status beats sixteen $250 drain cleanings.

But 2026 has reset the playing field for both water heaters and repipes. The federal 25C tax credit (heat pump water heater $2,000 cap + home envelope $1,200 cap) **terminated December 31, 2025** under the One Big Beautiful Bill Act. Marketing copy from prior years referencing the federal credit is wrong now. The pivot: state utility rebates that are often more generous than 25C ever was (Mass Save HPWH $750 instant point-of-sale, Xcel CO $2,250 + state credit + HEAR stackable, WA HEAR up to $8,000 income-qualified). The other tailwind: **EPA's Lead and Copper Rule Improvements (LCRI), final rule effective December 29, 2024, compliance date November 1, 2027** — water systems must inventory and replace lead service lines nationwide within 10 years. That's a multi-year repipe windfall starting now.

This guide is for the established plumbing service shop (1-3 trucks, $150K-$400K revenue, 70%+ from service work) ready to make the install shift in 2026 specifically. Sources: IRS PL 119-21 FAQ + 25C credit page, EPA SDWA + LCRI documentation, IPC 2024 + UPC 2024 (Chapter 5 water heaters), CA Health & Safety Code §19211, BLS plumber occupational outlook, IBISWorld 2026 plumbers data, PHCC, Energy Star UEF specs, manufacturer (Bradford White, A.O. Smith, Rheem, Rinnai, Navien) product pages + retail pricing, state rebate programs, FieldPulse + Plumbing Sniper + Repipe.com industry data. Items where data isn't publicly disclosed flagged [unverified].

1. The transition math — service vs install economics

Plumbing business economics (FieldPulse 2026 data)

• **Small shops (1-5 employees)** typically gross **$180K-$600K/yr** ($15K-$50K/mo) (FieldPulse plumbing business research)
• **Gross margins 60-65%**; net margins 10-20% (smaller firms 10-15%); 15-20% considered healthy
• **Typical job revenue**: $200-$800 average; small repairs $150-$350; **water heater installs $850-$1,700**
• **Weekly call volume small companies**: 10-25
• **The transition leverage**: replacing 5 of those 25 weekly service calls with 1 water heater install at $1,700 doesn't change the call count — it adds $850-$1,700 per week ($44K-$88K/yr) at higher dollar profit per hour worked

Why most plumbing shops stay stuck

• **Cash flow timing.** A tankless unit on the truck is $600-$2,000 wholesale (Rinnai/Navien/Noritz). Same-day install logistics require stocking 3-5 SKUs simultaneously — that's $3K-$10K of equipment float at all times.
• **Same-day install pressure.** Customer with a failed water heater can't wait — that's the urgency that drives close rates, but it also means the truck has to be stocked for any tank/tankless/electric/gas combo when the call comes in.
• **Sales process gap.** A service tech selling a $4K tankless conversion in a customer's basement is fundamentally different work than diagnosing a clogged disposal. Same gap as the HVAC install transition — solving it requires deliberate proposal-and-financing infrastructure.
• **Permit administrative load.** Water heater replacement requires a permit in nearly every US jurisdiction (Texas is a notable exception for replacements). Gas tankless requires both plumbing AND gas permits in many cities. The administrative friction is real.

What does break through the ceiling

• **Same-day install capability** for water heaters — stock the truck for tank + tankless + electric + gas. Customer with failed unit is highest-urgency, highest-close-rate sale in the trade.
• **Multi-tier proposals (Standard / Better / Best)** for tankless conversion sales specifically. The price spread is wide ($1,500 standard tank vs $5,600 tankless) — multi-tier presentation lifts close rate and average ticket size.
• **Whole-home repipe as planned project**, not emergency. Customer signs the project, schedules 2-5 days of work, you collect deposit upfront and balance over installments. Repipes don't compete on speed — they compete on quality, warranty, and finished walls.
• **Lead-pipe replacement as marketing wedge** for the next 2-5 years. EPA LCRI compliance date Nov 1, 2027 means every water utility in the country must inventory and notify customers of lead service lines. Homeowners who get those notices need a plumber. Position now.
• **Maintenance plan attach to every install** — anode rod inspection (3-5 year cycle), T&P relief valve test (annual), expansion tank check, water softener service. Industry-baseline retention 70-80%; top performers 90%+.

2. The 2026 reality — 25C dead, LCRI tailwind, state rebates strong

What replaces 25C: state utility rebates (often more generous)

EPA LCRI — the multi-year repipe tailwind

• **Final rule published Federal Register Oct 30, 2024; effective Dec 29, 2024.**
• **Compliance date: November 1, 2027** (3-year prep window). (EPA LCRI page, Federal Register 2024-23549)
• **Mandates**: full lead service line replacement nationwide within 10 years (with limited exceptions).
• **Water systems must update LCRR baseline inventory**; replacement plans must be public for systems serving >50,000 and updated annually.
• **Practical impact for plumbers**: every water utility in the US is now in the process of identifying lead service lines + notifying property owners + scheduling replacements. **Most replacements happen on the homeowner's side of the meter** — that's plumber work, not utility work. The notification letters create homeowner urgency.
• **Position now**: build relationships with your local water utility. Get on their preferred-contractor list for LSL replacements. Train staff on lead-pipe identification (the dull gray color, scratch test reveals shiny silver underneath, magnet doesn't stick — vs galvanized which does).

1986 SDWA + polybutylene legacy (existing repipe demand)

• **1986 SDWA amendment** banned non-"lead-free" pipe/solder/flux in potable systems; effective June 19, 1986. Pre-ban solders were typically ~50% lead. Pre-1986 "lead free" meant ≤0.2% solder, ≤8% pipe (EPA SDWA page).
• **Polybutylene** was used 1978-1995 in millions of homes; brittle/failure-prone with chlorinated water and heat. Cox v. Shell settlement (1995, Tennessee) initially $950M, ultimately $1.14B paid; ~320,000 homes replumbed under settlement. **Claims deadline expired 2009 — current homeowners with PB pipes pay full repipe cost themselves** (Lieff Cabraser polybutylene).
• **Galvanized steel** pipes from pre-1986 era are now 40+ years old; most have severe internal corrosion + flow restriction. Replacement is increasingly maintenance-driven, not catastrophic-failure-driven.
• **Estimated US homes still on legacy materials**: millions of homes still have polybutylene, galvanized, or partial lead service lines. The repipe market is structurally large for the next 10-15 years.

3. Water heater technology — tank vs tankless vs HPWH

Tank water heaters (the bread and butter)

Tankless / on-demand technology

• **Gas tankless** (Rinnai, Navien, Noritz, Rheem) — the dominant residential tankless category. Install $2,100-$5,600 typical.
• **Electric tankless** — less common, less efficient, requires major electrical service capacity. Install $1,400-$3,000.
• **Sizing math**: BTU/hr input drives flow at temperature rise. Example: Navien NPE-240A2 = 199,000 BTU/hr, 8.4 GPM rated. At 65°F temperature rise (groundwater 55°F → set 120°F), real-world delivery drops to ~6.5 GPM. (Navien NPE-240A2, Navien sizing guide)
• **Combined fixture demand example**: dishwasher 2-3 GPM + shower 2-3 GPM + washer 3-5 GPM = 7-11 GPM peak (Compact Appliance sizing). 3-4 person homes: 8-10 GPM units; larger families may need two units in parallel.
• **Tankless lifespan**: **15-20+ years (up to 25)** (A.O. Smith) — roughly 2x tank lifespan, justifies the price premium long-term

Energy Star UEF thresholds (current Version 4.0)

• **Integrated HPWH**: UEF ≥ 3.30
• **Integrated HPWH on 120V/15A circuit**: UEF ≥ 2.20
• **Split-system HPWH**: UEF ≥ 2.20
• **Gas tankless**: UEF ≥ 0.95
• **Gas storage tank (>20 to ≤55 gal)**: UEF ≥ 0.81 medium draw / ≥0.86 high draw
• **Gas storage tank >55 gal**: UEF ≥ 0.86
• Source: Energy Star water heater spec
• **Why this matters**: state rebates (Mass Save, Xcel CO, etc.) require Energy Star certification at minimum. Below-spec units don't qualify for the $750-$2,250 instant point-of-sale discount you're using as the close

Anode rod / maintenance

• **Anode rod inspection/replacement every 3-5 years**; annual if home has water softener (the salt accelerates anode consumption) (Service Champions anode rod, Bob Vila anode replacement)
• **Why this matters for the maintenance plan attach**: every water heater you install becomes a 3-5 year recurring service relationship for anode rod replacement + T&P test + expansion tank check. Plyrium maintenance reminder rules handle the cadence math automatically (Section 7).

4. Repipe materials — PEX vs copper, polybutylene legacy

PEX types (the dominant choice in 2026)

Copper Type L vs Type M

Material cost per linear foot (2026 verified)

• **PEX**: ~$0.40-$2/ft installed for whole-home jobs; materials $0.30-$0.82/ft (Angi repipe cost)
• **Copper**: $2-$8/ft installed; raw material $2-$4/ft before labor
• **1,500 sf home full repipe**: copper $9,000-$12,000+; PEX $4,000-$8,000 — copper is roughly 2x the cost
• **PEX advantages**: faster install (a full day faster than copper for whole-home, no soldered joints), lower freeze-burst risk (expands rather than splitting), better for retrofit (snake through walls easier)
• **Copper advantages**: longer code-recognized lifespan, antimicrobial properties, better for outdoor/UV exposure, premium-positioning

Repipe labor time (verified)

• **Small homes / 1-2 baths**: 2-3 days
• **Medium / 2-3 baths**: 3-4 days
• **Large / 4+ baths multi-story**: 4-5 days
• **Under 1,500 sf**: sometimes 1-2 days
• **PEX is roughly a full day faster than copper** because no soldered joints (Repipe.com timeline)
• **Crew typical**: 2-3 plumbers for residential repipe; 1 master + 1-2 journeymen optimal mix

5. Code compliance — IPC vs UPC, expansion tanks, earthquake straps

IPC vs UPC adoption (which code governs your work)

• **IPC (International Plumbing Code, ICC)**: adopted by **37 states + DC, Puerto Rico, Guam** — primarily eastern US
• **UPC (Uniform Plumbing Code, IAPMO)**: adopted by western states — California, Nevada, Hawaii, Idaho, Oregon, parts of others
• **2024 IPC jurisdictions**: Phoenix, Denver, Georgia, Iowa, Maryland, NY State, Knoxville, Nashville, San Antonio, Utah, Vermont
• **2024 UPC jurisdictions**: Phoenix (yes — adopts both), California (LA city/county, San Diego, SF, San José), Iowa, Nevada (Clark County, Vegas), South Dakota, Sioux Falls, Austin
• Source: PHCP Pros 2024 UPC vs IPC comparison, Cerro Press adoption map PDF

Water heater code requirements (2024 IPC + UPC)

T&P relief valve discharge (IPC 504.6)

• **Cannot connect to drainage system**
• **Air gap required in same room as water heater**
• **Must be full-size pipe** (no reducer)
• **Must serve single relief device only** (no manifold)
• **Terminates to**: floor, drain pan, waste receptor, or outdoors 6"-24" above grade
• Source: IPC 2024 Chapter 5 Water Heaters

Drain pan

• **Required when leakage could cause damage** (attic, second floor, finished basement)
• **Pan must be ≥1.5" deep** with ≥3/4" indirect waste line
• **Replacement exception**: if pan drain wasn't previously installed, NOT required for replacement install — but new installs and major upgrades trigger it

Expansion tank (IPC 607.3.2 / UPC 608.3) — the single most-skipped code requirement

• **IPC 607.3.2**: requires thermal expansion control when backflow preventer/check valve is present on supply with storage water heating equipment
• **UPC 608.3**: requires expansion tank **independent of heater type** whenever any normally-closed device prevents pressure dissipation back to main — **so applies to tankless in closed systems too**
• **Install location**: cold supply downstream of all check/PRV/backflow devices
• **Sizing**: typically 2-gal for 40-gal tank; 4.5-gal for 50-80 gal tank; manufacturer-specific for tankless
• Source: IAPMO §608.3, LegalClarity IPC vs UPC expansion tank

California earthquake straps (CA Health & Safety Code §19211)

• **Two straps required**: upper third (≥9" above gas control) AND lower third (≥4" above floor)
• **Secured with 1/4" × 3" lag bolts into wall studs**
• **Required on NEW AND REPLACEMENT units** in California
• **Insurance carriers** (including FAIR Plan) increasingly demand §19211 compliance proof for water-damage claims
• **Other seismic states** (AK, OR, WA) have similar requirements — verify locally
• Source: Aelott AC California water heater code, Better Water Heaters earthquake strap

Other code touchpoints

• **Combustion air for gas units** — sealed combustion (direct-vent / power-vent) units don't need separate combustion air; atmospheric vent units do (typically 50 cu ft per 1,000 BTU/hr input)
• **Vent termination clearances** — sidewall vent ≥12" from operable windows; ≥4 ft from gas regulators; clearance varies by manufacturer
• **Cross-connection control / backflow** — required on all potable water connections to non-potable equipment (irrigation, boilers, etc.)
• **Lead-free pipe/solder/flux** — SDWA 1986 ban, ≤0.2% solder / ≤8% pipe pre-1986 "lead free"; 2014 ban tightened to ≤0.25% weighted average lead content for fittings/fixtures contacting potable water

6. The proposal-and-financing problem (and the Plyrium fit)

Water heater installs and repipes have the same proposal-and-financing problem as HVAC installs (covered in detail in the HVAC service-to-install guide): **multi-tier proposals lift close rate by 10 percentage points, and leading with monthly payment doubles financing rate**. The shop that closes 52% of $4,000 tankless conversion proposals beats the shop that closes 42% by $40,000 incremental revenue per 100 quotes.

Plyrium handles this end-to-end. Specifically built for the water-heater + repipe install business:

• **Multi-tier proposal builder (Standard / Better / Best)** — perfect for water heater conversion sales: **Standard** ($1,200-$2,000: same-tank replacement, atmospheric vent gas, 6-year warranty), **Better** ($2,500-$3,500: power-vent gas tank or tankless lite, 12-year warranty), **Best** ($4,500-$6,500: condensing tankless OR HPWH with $750-$2,250 state rebate, 15-year warranty + extended labor warranty + free annual anode service). `quotes.proposal_tiers` JSONB renders a tier-picker on the public quote page; customer picks one, that tier's items materialize into the locked invoice on accept
• **Optional add-on lines** (`line_items.is_optional`) — customer ticks add-ons: "Add expansion tank? +$120 (required by code in your area)." "Add water softener pre-treatment? +$2,400." "Add Wi-Fi monitoring module? +$185." Selection drives which optionals materialize
• **Quote templates** — reusable proposal skeletons with frozen line items + 3-tier shape. Build a `Tank-to-Tankless Conversion (3-tier)` template once, clone for every install. Same for `Whole-Home Repipe (PEX vs Copper)`
• **BYO Financing URL pattern** — Wisetack (loans up to $25K, ~80% approval, 3.9-10% dealer fees), GreenSky (up to $65K, broadest promotional options), Synchrony (0.99-15% dealer fees, standard installment + private-label cards). Renders "Pay over time — From $79/mo for 60 months" CTA on quotes above min amount. Critical for tankless conversion ($3K-$8K) and whole-home repipe ($4K-$15K). **No competitor in this category exposes this** — Jobber/HCP/ServiceTitan all want you on their financing partner
• **Save card on file via SMS or email link** — for deposit collection on accept; off-session charge balance at install completion. SCA/3DS step-up handled. Stripe Connect with 0% Plyrium platform fee (HCP/Jobber Payments take their own ~2.9% on top of base Stripe processing; Plyrium takes 0)
• **Customer assets / equipment tracking** (`customer_equipment` table) — install date + brand + model + serial + warranty until + installed-by-us flag. **Critical for Bradford White / A.O. Smith / Rheem warranty registration** + manufacturer dealer program reporting. Set Plyrium maintenance reminder rule for install_date + 14 days to send registration-deadline ping
• **Maintenance reminder rules with cadence math** — "anode rod inspection due in 30 days" auto-fires SMS + email at install_date + (3 years - 30 days). Same pattern for T&P test (annual), expansion tank check (annual), water softener service (every 4-6 months). The recurring service tail that turns a one-time install into a 10-15 year customer relationship
• **AI voice receptionist with service-area gating + same-day install routing** — incoming "my water heater is leaking" calls happen at all hours. Service-area gate routes out-of-area callers gracefully; in-area callers get same-day slots prioritized. Returning-caller recognition: "Hey Tom — looks like the water heater we installed in 2023 is acting up?". Hot-lead alerts wake the owner up immediately for emergency replacement calls
• **Native Google Business Profile management** — auto-publishes posts (4-8/mo by tier), AI replies to reviews, sends review requests 2-72h after every completed install with smart-routing (4-5★ → public Google form, 1-3★ → private feedback inbox). Critical for Bradford White's wholesale-only model — they push reviews + community presence as differentiator vs Home Depot/Lowe's competitors
• **Memberships (Care Club)** — define annual plumbing maintenance plans with perks JSON (% repair discount, included anode service, priority booking, no after-hours fees, free water heater health check). Auto-applies discount on quotes for member customers. **Industry-baseline retention 70-80%; top performers 90%+**. The recurring revenue that compounds
• **Pipeline kanban for repipe + LCRI work** — drag-to-reassign incoming leads through New / Drafted / Needs your call / Replied / Resolved. Repipe sales cycle is 2-8 weeks (planned project, not emergency); the kanban keeps it organized over the longer cycle

7. Permits + warranty registration + Bradford White's wholesale-only model

Water heater permit costs (verified 2026)

• **Typical permit fee**: $50-$400 nationwide (PermitMint San Diego)
• **California state average**: $96-$392 (San Diego $25-$500)
• **Tennessee city/county**: $25-$100
• **San Jose**: $200-$300
• **Texas**: **does NOT require permit for water heater REPLACEMENT** — but does for new installations and tankless conversions (Doctor Water Heater permit guide)
• **Permit timeline**: same-day to 1-week pull depending on jurisdiction
• **Gas tankless requires both plumbing AND gas permits** in many cities

Manufacturer warranty registration

• **Bradford White**: serial-number registration via Warranty Center. Brand explicitly states "water heaters should be installed and serviced by qualified licensed professionals only"; warranty claims submitted via the service plumber. **Bradford White is wholesale-only — sold ONLY through licensed plumbers via Ferguson, F.W. Webb, Hajoca, Winsupply, Locke Supply. NOT at Home Depot or Lowe's** (Bradford White FAQ)
• **A.O. Smith**: online product registration recommended for proof of ownership / warranty / insurance claims (A.O. Smith registration)
• **Rheem**: dual channel (wholesale + Home Depot). Warranty registration via Rheem.com
• **HPWH warranty edge**: Rheem 12-year warranty edges A.O. Smith's 10-year on heat pump units (Plumbing Sniper Rheem vs A.O. Smith)
• **Specific 30/60-day registration windows vary by exact model line** [unverified for universal claim] — verify on a per-SKU basis at the time of install
• **Tankless brands**: Rinnai (US since 1974, largest installer network with Rinnai PRO program); Navien (US since 2006, now #1 condensing tankless by volume); Noritz also major

Wholesale supply house relationships

• **Ferguson** — largest US plumbing supplier (~800-721-2590), full Bradford White / A.O. Smith / Rheem / Rinnai / Navien / Noritz coverage
• **F.W. Webb** — Northeast strength (NY, MA, CT, NH, VT, ME)
• **Hajoca** — major Mid-Atlantic + Southeast presence
• **Winsupply** — Ohio-based, strong Midwest coverage
• **Locke Supply** — Southwest specialty (TX, OK, NM, AZ, KS)
• **Pro account benefits**: net-30 terms (after 6-12 month payment history), pro-only pricing tiers, manufacturer training access, warranty claim support, restocking flexibility for same-day install kit
• **Wholesale tankless price reference**: Rinnai units retail ~$600 (entry RE Series) to >$2,000 (high-cap Sensei RX); wholesale typically 15-25% below retail through pro accounts (Rinnai how-to-buy)

8. Sales process — same-day install pitch, multi-tier presentation

Diagnostic-to-install conversion (the urgency play)

• **Failed water heater = highest-urgency residential plumbing call.** Customer cannot wait — no hot water means no showers, dishwasher, laundry. Same-day or next-day install is the differentiator from competitors who quote 3-5 days out
• **Close rate on same-day install pitch**: industry folklore puts this at 70%+ for properly-trained service techs [unverified — no published primary number]. Anecdotally consistent with HVAC emergency-call close rates (50-65% for trained Comfort Advisors)
• **Same-day install requires**: truck stocked with tank + tankless + electric + gas SKUs (typically 3-5 unit types in inventory), expansion tank + drain pan + flex connectors + fittings + fastener kit + permit-pulling capability

Multi-tier proposals for tankless conversion

Tankless conversion is the highest-leverage multi-tier sale in residential plumbing. The price spread is wide ($1,500 standard tank vs $5,600 tankless), and customers don't intuitively understand the value prop without seeing the tiers side by side.

Whole-home repipe — planned project, not emergency

• **Sales cycle**: 2-8 weeks from initial quote to signed contract (vs same-day for water heater emergencies)
• **Customer concerns to address proactively**: drywall repair scope, water shutoff duration during install, fixture preservation, deposit + payment schedule, warranty + transferability at home sale
• **Multi-tier proposal still works**: PEX-B (cheapest, $4-$5K range) / PEX-A (mid, $5-$7K range) / Copper Type L (premium, $9-$12K range). The middle tier wins most often
• **Drywall repair scope** is the customer-relations land mine. Either (a) include patching + texture as part of the contract, OR (b) explicitly exclude it and refer to a drywall sub. Don't let the customer assume "finish work" is included unless you've quoted it
• **Lead source for repipes**: EPA LCRI compliance letters from local water utility (Section 2), homeowner experience with brown water from galvanized corrosion, polybutylene legacy homes (1978-1995 builds), failed pinhole leaks on existing copper

Financing partners verified for plumbing

• **Wisetack** — up to $25,000 limits; ~80% approval rate; dealer fees 3.9-10%; positioned for fast/easy setup (Wisetack consumers)
• **GreenSky** (Goldman Sachs-owned) — up to **$65,000**; broadest promotional options (deferred-interest, fixed-rate); market-leading product depth (GreenSky home improvement)
• **Synchrony** — dealer fees 0.99-15% depending on loan; standard installment + private-label cards
• **Service Finance** — HVAC/roofing/windows/plumbing specialist; up to $100K
• **Top-performing contractors typically run 2-3 platforms simultaneously** to maximize approval rate across customer credit profiles
• **Plumbing-specific consideration**: Wisetack works well for water heater + drain repair tickets ($1K-$10K range); GreenSky better for whole-home repipe ($10K+) where deferred-interest promotions close more deals

9. Operational changes — cash flow, same-day logistics, recurring tail

Cash flow + working capital

• **Tankless equipment cash float**: wholesale tankless ~$600-$2,000 per unit. Plumber must float multiple SKUs simultaneously for same-day install readiness — typically 3-5 units = $3K-$10K equipment float at any given time
• **Whole-home repipe deposit structure**: 30-50% deposit on signing (within state caps — see HVAC install transition guide §7 for state-specific caps including CA $1K/10%, MA 1/3, NY reasonable + escrow, FL no cap), balance due at completion or in milestones
• **Distributor net-30 terms** are standard for established plumbers (after 6-12 months of paid-on-delivery history). This shifts ~half the equipment float to the supplier's balance sheet
• **Tankless conversion working-capital strategy**: stock 2-3 popular SKUs (Rinnai RE140iN, Navien NPE-180A2, Rheem Performance Plus 9.5GPM) at all times; order custom SKUs (high-capacity, condensing premium) to-spec on signed contract. Prevents floating $50K+ in inventory across every possible config

Same-day install logistics

• **Truck stock for same-day water heater calls**: 1× 40-gal gas tank, 1× 50-gal gas tank, 1× 50-gal electric tank, 1-2× tankless units (entry + premium tier), expansion tanks (2-gal + 4.5-gal), drain pans, T&P relief valves, flex connectors (gas + water), permit application kit
• **Old tank disposal**: $75-$150 typical disposal fee; small scrap recovery ($7-$30) sometimes offsets (iScrapApp scrap prices). Most municipalities require permitted disposal — track this as a recurring expense
• **40-gal tank weight**: ~120 lbs empty, ~450+ lbs full (8.3 lb/gal water + tank). Two-person install for safety on second-floor or attic locations
• **Crane / lift for rooftop tanks (commercial)**: $750-$950 added per the HVAC commercial section (similar pricing applies)

The recurring revenue tail (maintenance plans)

10. The 90-day path — from service-only to first water heater install

Year 1 install business expectations

• **Year 1**: 25-50 water heater installs at $2,500 average = **$62K-$125K incremental revenue**. ~5-10 tankless conversions at $4,500 average = additional $22K-$45K. ~3-5 whole-home repipes at $7,500 average = additional $22K-$37K. **Total year 1 install-specialty revenue: $100K-$200K**
• **Year 2**: 50-100 water heater installs as same-day capability matures + GBP local SEO ranks for "water heater installer near me." Repipe pipeline 8-15 jobs. **$200K-$400K incremental**
• **Year 3-5**: LCRI compliance work (lead service line replacements) becomes meaningful revenue driver. Maintenance plan book 200+ customers generating $40K+/yr base recurring. Install business equals or exceeds service business in profit dollars
• **Year 7-10**: water heater replacement cycle compounds (10-12 year average lifespan means installs from 2025-2026 reach replacement age). The customer relationships compound; emergency replacement calls go to YOU because they remember you, not the random Google result

Cross-references: the plumbing start-from-scratch guide covers the broader business setup. The pricing service work guide covers floor-rate math + pricing strategy. The non-paying-customers guide covers collections law + mechanic's lien deadlines (relevant for unpaid repipe balances). The HVAC service-to-install transition guide covers the same operational playbook for shifting from service-call to high-ticket install work — much of the framework applies.