Allentown, PA · plumbing service
Water Heater Repair in Allentown, PA
Hard water builds sediment and scale quickly. Call to be connected with an independent, licensed plumber who handles water heater repair in Allentown; they diagnose the problem and quote the work before starting.
By calling, you agree to be connected with an independent plumbing contractor serving your area. Calls may be recorded for quality and training. The call and referral are free, and you are never obligated to hire.- Licensed local plumbers
- Free call and referral
- You approve the quote first
Common signs
- No hot water
- too little hot water
- popping or rumbling
Water Heater Repair services in Allentown
Problems water heater repair fixes
- No hot water or not enough
- Water too hot, or temperature swings
- Popping or rumbling from the tank
- Water around the base or a dripping relief valve
Why water heater repair comes up in Allentown
Hard water builds sediment and scale quickly.
44% of Allentown's occupied homes are owner-occupied. If you rent, the water heater is normally the landlord's to repair or replace, so report a leak to them in writing as well as calling for help.
- Typical home built
- 1954
- Homes before 1980
- 82%
- Water hardness
- 15 gpg
- very hard
- Winter freezes
- Regular hard freezes
How the work is done
- 1Diagnose by symptomGas control, igniter or burner on gas units; elements and thermostats on electric units.
- 2Check safety partsThe temperature and pressure relief valve, venting and gas connection.
- 3Repair or recommendReplace the failed part, or explain why the tank's age or a leak makes replacement the better choice.
- 4TestConfirm temperature and safe operation before leaving.
What affects the price
The plumbing company sets the price after seeing the job; ask for it in writing before work starts.
- Gas, electric or tankless unit
- Which part failed
- Tank age and condition
- Access to the unit
- After-hours timing
Plumbing work we connect Allentown homeowners with
Water Heater Repair in Allentown: questions
Why does my Allentown water heater build up so much white scale?
Lehigh County Authority says Allentown's water naturally carries calcium and other hardness minerals that it does not remove. Heating water deposits that scale, so flushing the tank and checking elements or anodes is routine upkeep.
Will LCA fix a problem with my Allentown water heater or interior pipes?
No. Lehigh County Authority says customers are responsible for interior plumbing issues, including problems like a failing pressure reducing valve. Water heaters and household pipes are serviced by a private plumber.
Why is water heater repair a common call in Allentown?
Hard water builds sediment and scale quickly.
How old are most homes in Allentown?
The median home in Allentown was built in 1954, and 82% of homes were built before 1980 (U.S. Census Bureau, American Community Survey).
How hard is Allentown's water?
About 15 grains per gallon (very hard), per Lehigh County Authority, Your Drinking Water.
Can a plumber fix a water heater with no hot water in Allentown?
Usually. Igniters, thermocouples, elements and thermostats are common repairs; a leaking tank or an old heater with major failures is usually replaced. In Allentown: hard water builds sediment and scale quickly.
Who supplies water in Allentown?
Lehigh County Authority. Past the meter, plumbing is the owner's.
More plumbing services in Allentown
- Repiping in Allentown, PARepiping in Allentown, PA: older rowhouses have galvanized supply lines.
- Water Softener Installation in Allentown, PAWater Softener Installation in Allentown, PA: at 12 to 18 grains per gallon, softening protects heaters and fixtures.
- Emergency Plumbing in Allentown, PAPlumbing emergency in Allentown, PA? Who to call (Lehigh County Authority or a plumber), what to shut off first, and the emergencies most likely in Allentown homes.
- All plumbing services in AllentownEvery plumbing service available to Allentown homes.
Local rules and details for Allentown
Allentown facts behind this page
- The median home in Allentown was built in 1954. [1]
- About 82% of Allentown's housing units were built before 1980, the era of galvanized steel supply pipe, cast iron drains and clay sewer laterals. [1]
- About half of Allentown's water comes from Schantz Spring and Crystal Spring and the other half mostly from the Little Lehigh Creek; hardness ranges from about 12 to 18 grains per gallon. [2]
- Lehigh County Authority, which serves Allentown, says white scale on faucets and dishes, white particles in ice and white film on pots after boiling are caused by water hardness from calcium and other minerals naturally present in its supply. LCA does not treat the water to remove these minerals and suggests customers with frequent hardness problems speak with a plumber about options. [3]
- Lehigh County Authority notes that most customer questions about its water service relate to interior plumbing, and that customers are responsible for resolving interior plumbing issues and maintaining their portion of the water or sewer service line. Low pressure or no water is most often caused by problems inside the home, such as a clogged aerator, a failing pressure reducing valve or a frozen pipe. [3]
Allentown rules and programs for water heater repair
- Lehigh County Authority, which serves Allentown, says white scale on faucets and dishes, white particles in ice and white film on pots after boiling are caused by water hardness from calcium and other minerals naturally present in its supply. LCA does not treat the water to remove these minerals and suggests customers with frequent hardness problems speak with a plumber about options. [3]
- Lehigh County Authority notes that most customer questions about its water service relate to interior plumbing, and that customers are responsible for resolving interior plumbing issues and maintaining their portion of the water or sewer service line. Low pressure or no water is most often caused by problems inside the home, such as a clogged aerator, a failing pressure reducing valve or a frozen pipe. [3]
Other common plumbing calls in Allentown
- Water Softener Installation: at 12 to 18 grains per gallon, softening protects heaters and fixtures.
- Repiping: older rowhouses have galvanized supply lines.
Safety first
Smell gas? Leave, then call the gas utility or 911.
Sources (3)
- U.S. Census Bureau, ACS 2024 1-year (B25035) · checked 2026-10-01
- Lehigh County Authority, Your Drinking Water · checked 2026-10-01
- Lehigh County Authority, Common Service Issues · checked 2026-10-20