Water Heater Repair in South Yarmouth
Get fast, fair pricing from licensed local pros. Typical South Yarmouth cost: $125 – $275 installed.
- Thermostat
- $125 – $275
- Heating element
- $175 – $400
- Thermocouple / pilot
- $125 – $350
- T&P relief valve
- $125 – $325
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Water heater repair cost by part.
Typical South Yarmouth repair pricing including parts and labor. A diagnostic fee usually applies and is often credited toward the work.
Water heater repair costs in South Yarmouth typically range from $125 to $600 for common repairs, plus a $65–$175 diagnostic fee. With many homes built around 1971, older units often need repairs like element or thermostat replacement. Massachusetts requires a licensed plumber or gas fitter to perform repairs under a permit, and expansion tanks are mandatory on closed systems since 2010. Cold winter inlet water can strain heaters, making timely repairs important. For long-term savings, consider a heat pump water heater, which qualifies for a federal 25C tax credit of 30% up to $2,000.
- Diagnostic / service callOften credited toward the repair$65 – $225
- Thermostat replacementCommon on electric units$125 – $275
- Heating elementNo-hot-water culprit on electric tanks$175 – $400
- Thermocouple / pilot assemblyGas units that won’t stay lit$125 – $350
- Anode rod / T&P valveCorrosion and pressure-safety parts$125 – $400
* If the tank itself is leaking, repair is rarely worth it — budget for replacement.
Water heaters in South Yarmouth
U.S. Census ACS- Households
- 4,722
- Homeowners
- 3,842
- 47% own
- Median home value
- $430,100
- Median income
- $77,723
- Median home built
- 1971
- Housing units
- 8,117
With a median home built in 1971, many South Yarmouth water heaters are at or past their 8–12 year lifespan — a common reason replacements spike here.
What’s different about South Yarmouth.
Generic cost pages skip the things that actually decide your price and your unit’s lifespan here — local code, water, and the money you can claim back.
Recommended unit for South Yarmouth
Given Massachusetts’s cold northern climate and gas water heating, heat-pump (hybrid) is the sensible default for most South Yarmouth homes. Winter inlet water runs cold here, so recovery rate matters — size up a tankless or favor a high-recovery tank. A pro can confirm the right size and fuel for your home.
Sources: Massachusetts plumbing permit and expansion tank requirements (MV Plumbing guide) · 248 CMR 10.14 Water Supply and Distribution System (Cornell LII) · EIA Massachusetts state energy data
What South Yarmouth code requires
Replacing a water heater in South Yarmouth follows Massachusetts rules under the Massachusetts State Plumbing Code (248 CMR), a state-specific code. Here’s what applies statewide:
- PermitRequired
Pulled by your licensed plumber; covers gas/venting and the expansion tank.
- Seismic strappingNot required
No state strapping mandate — one less line on the bill.
- Expansion tankRequired on closed systems
Required where a pressure regulator or backflow preventer is present.
- Plumbing codeMassachusetts State Plumbing Code (248 CMR), a state-specific code
- Good to know—
Water heater replacement must be done by a licensed plumber/gas fitter under a permit; expansion tanks required on closed systems since 2010.
Sources: Massachusetts plumbing permit and expansion tank requirements (MV Plumbing guide) · 248 CMR 10.14 Water Supply and Distribution System (Cornell LII) · EIA Massachusetts state energy data
Not sure which rules and rebates apply to your home?
A licensed South Yarmouth pro will walk you through code, the right unit, and what you can claim back — in one quick call.
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Money back in South Yarmouth
Massachusetts water heating is mostly gas, which shapes the money back:
- Federal30% of cost, up to $2,000Federal 25C tax credit →
For a qualifying ENERGY STAR heat pump water heater. Claimed on your federal return.
The federal 25C tax credit (30%, up to $2,000 for a heat pump water heater) applies in every state; Massachusetts' main HPWH rebate is the $750 utility-administered Mass Save program, excluded here as utility-only.
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- 1
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- 2
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- 3
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Your pro confirms the price on-site and gets your hot water back. Most jobs done in a few hours.
Water Heater Repair in South Yarmouth, explained.
What affects repair costs in South Yarmouth
Repair costs vary based on the issue's complexity, parts needed, and whether a permit is required. Diagnostic fees ($65–$175) cover the initial visit. Emergency or after-hours service increases labor rates. Older homes may have harder-to-access units or require code upgrades like expansion tank installation. The type of water heater—gas or electric—also affects part prices. Local labor rates reflect the area's median income and the need for licensed professionals.
Common water heater repairs in South Yarmouth
No hot water
Often caused by a failed heating element or thermostat, common in older units. A licensed plumber can diagnose and replace parts.
Leaking tank
Corrosion from hard water or age leads to leaks. May require replacement if the tank is compromised.
Rusty or discolored water
Indicates internal tank corrosion or anode rod failure. Flushing or replacing the anode rod can resolve it.
Water Heater Repair FAQs — South Yarmouth
Yes, Massachusetts requires a permit for any water heater repair or replacement. A licensed plumber or gas fitter must pull the permit and perform the work.
Water Heater Repair near South Yarmouth
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