Tank & Tankless Water Heater Repair

Water Heater Repair in Warminster, PA

No hot water, not enough of it, or a puddle under the tank: Lions Heating & Air Conditioning provides same-day water heater repair in Warminster, PA on gas and electric tank units and tankless systems. As a Rheem Pro Partner with over 15 years of local Warminster experience, we diagnose the fault, not just the symptom. Our technicians carry thermocouples, heating elements, thermostats, T&P relief valves and igniters on the truck, so most repairs are finished on the first visit. Every call starts with a few questions over the phone so we arrive with the right parts. Call or text 215-866-2046.

Google

750+ Google Reviews

Read Reviews
Same-Day Service

Same-Day

SERVICE

Get Your Free Estimate

Privacy Policy & Terms of Service
Same-Day Diagnosis and Repair

Common Water Heater Problems We Fix in Warminster

Most water heater calls in Warminster come down to a short list of faults, and most of them are repairable the same day. Here is what we see week after week on gas water heaters, electric water heaters and tankless units, what is usually behind each one, and what fixes it. If your symptom is on this list, the part for it is probably already on the truck.

215-866-2046   Book Now

Problems We Repair:

  • No hot water. On a gas water heater the usual causes are a pilot light that has gone out, a failed thermocouple, a bad igniter or a stuck gas valve. On an electric water heater it is a tripped high-limit reset, a burned-out heating element or a tripped breaker. We test each in order and replace the one that failed.
  • Not enough hot water or it runs out fast. Sediment on the bottom of the tank steals capacity, a failed lower element leaves half the tank cold, a broken dip tube mixes cold water straight into the hot outlet, and an undersized unit simply cannot keep up with the household.
  • Leaking tank or valve. A drip from the T&P relief valve, the drain valve or the inlet and outlet fittings is a repair. Water weeping from a tank seam or from under the jacket means the tank has failed, and that is a replacement, not a repair.
  • Rusty or discolored water. Rust-colored hot water usually means the anode rod is used up and the tank is starting to corrode from the inside. Replacing the anode rod early can add years of service; once the tank itself is corroding, we talk about replacement.
  • Rumbling, popping or knocking. That noise is water boiling under a layer of sediment on the burner side of the tank. A full flush clears it, restores lost capacity and takes the stress off the tank bottom before it cracks.
  • Pilot light will not stay lit or ignition failure. A worn thermocouple, a dirty flame sensor or a burner clogged with dust and rust will drop the flame every time. We clean the burner assembly, test the thermocouple and replace whatever fails the test.
  • Tripped high-limit or breaker. On electric units a shorted element or a stuck thermostat drives the water past the safety limit and trips the reset. Pressing reset without fixing the cause only buys a day; we test both elements and both thermostats and replace the failed part.
  • Tankless error codes and flow problems. Scale buildup, a fouled flow sensor, a worn igniter, blocked venting or a starved gas supply will throw an error code or drop the GPM at the tap. We read the code, descale the heat exchanger and correct the underlying cause.
Request Water Heater Repair
Lions Heating & Air Conditioning
Gas, Electric and Tankless

Tank and Tankless Water Heater Repair

Lions repairs both kinds of water heater found in Warminster homes. The approach is the same on either: confirm the complaint, test the component, and give you a clear repair-or-replace answer before any work begins. Whether the unit is a 40-gallon gas tank in a basement off York Road or a wall-hung tankless unit in a Warrington garage, the truck is stocked for it.

Gas and electric tank water heaters

Tank repairs cover burner and gas-valve service, thermocouple and igniter replacement, heating element and thermostat replacement, T&P relief valve and drain valve replacement, an expansion-tank check, and a full flush to clear sediment. We service 40- and 50-gallon Rheem, Bradford White, A.O. Smith and State units, the same brands we install. On gas units we check draft and venting while we are there, because a burner starved of air soots up and fails again. On electric units we test both elements and both thermostats, not just the one that tripped, so you are not calling back next month. If the tank is sound and the fault is a component, the repair is usually done in one visit. Learn more about the tank water heaters we install and service.

Tankless water heaters

Tankless water heaters fail differently. Hard water leaves scale inside the heat exchanger, and that scale is behind most of the error codes, flow drops and temperature swings we see on Navien and Rheem units. A descaling flush clears it. Beyond scale, we replace igniters and flame rods, clean or replace flow sensors and inlet filters, check venting and the condensate drain, and verify the gas supply holds up at full fire. Error codes are diagnosed against the manufacturer's code table rather than guessed at. If your unit is more than a year past its last flush, that is the first thing we will ask about. See our tankless water heaters page for installation and annual service.

Request Water Heater Service

Should You Repair or Replace Your Water Heater?

The honest answer depends on three things: the age of the unit, what failed, and whether the tank itself is dry.

Repair it when the water heater is under 8 to 10 years old and the fault is a component: a heating element, a thermocouple, a thermostat, a relief valve, an igniter or a gas control. Those parts are replaceable, the rest of the unit has service life left, and a component repair on a young unit costs a fraction of a new installation.

Replace it when the tank itself is leaking. Water coming from a seam or from under the jacket means the steel has rusted through, and no repair exists for that. Replacement is also the better call when the unit is past 10 to 12 years, when this would be the second or third repair in a couple of years, or when your hot-water needs have changed and the current unit was never sized for them.

The logic is simple. The same thermocouple repair that adds years to a 4-year-old tank buys maybe a year on a 12-year-old one, and you would still be replacing that unit soon, on its schedule rather than yours. Money spent keeping an old tank alive is money that does not go toward the unit that will actually last.

We tell you which side of that line your water heater is on before we do anything, and we put both options in writing so you can decide without pressure. When replacement is the answer, we handle water heater replacement in Warminster, PA with same-day installation on common tank sizes in many cases.

Financing your home comfort investment

Financing Your Home Comfort Investment

Major HVAC investments often come at unexpected times - usually when existing equipment fails. Understanding financing options before you need them helps make better decisions when time is limited. We offer financing programs that can make high-efficiency equipment more accessible.

Our Financing Includes
  • A fast, easy application process
  • Competitive rates designed to fit your budget
  • Plans available for both installations & repairs
Contact Us to Apply

Rebates & Incentives Available in Pennsylvania

Contact Us to Learn More

Pennsylvania homeowners have access to various rebate and incentive programs that can significantly reduce the cost of HVAC improvements. However, these programs have specific requirements and deadlines that require careful attention. We work regularly with these programs understand application requirements and can help ensure you receive all available incentives.

Lions Heating & Air Conditioning
Comprehensive Maintenance Plans For Pennsylvania Homes

Protect Your Warminster, PA Home with Our Lions Club

Preventive maintenance represents the best investment most homeowners can make in their HVAC systems. After years of emergency service calls, the difference between well-maintained and neglected systems becomes obvious. With our Lions Club program, regular maintenance prevents most emergency failures and extends equipment life significantly.

Essential Care

Our basic plan including 1 service visit a year.

Essential Plus

Enjoy enhanced protection with bi-annual visits.

Comfort Plus

For exceptional coverage, from gas to oil systems.

Lions Heating & Air Conditioning
Legacy Care

Our premium maintenance plan, enjoy all the benefits of our other plans, plus waived overtime fees. Our Legacy Plan gives you the greatest protection for your equipment possible, including oil systems.

Learn More
Stop the Water First

What to Do If Your Water Heater Is Leaking

If your water heater is leaking, shut off the power and the cold-water supply first, then figure out where the water is coming from. Leaks at a fitting or valve are repairs. Water from the tank body means the tank has failed and needs replacement. Either way, stopping the flow now limits the damage to your basement or utility closet.

  1. Turn off the power. Gas: turn the gas control knob on the front of the unit to OFF. Electric: switch off the water heater breaker at the panel. Never leave an electric element energized in a tank that may be draining.
  2. Shut the cold-water supply. The shutoff valve is on the cold inlet pipe on top of the unit. Turn it clockwise until it stops. If the valve is seized, close the main water shutoff for the house instead.
  3. Find the leak. Check the T&P discharge pipe, the drain valve at the bottom, and the inlet and outlet fittings on top. Those can be repaired. A wet tank seam, or water from under the outer jacket, means the tank has failed.
  4. Drain if water is spreading. Connect a garden hose to the drain valve and run it to a floor drain or outside. Open a hot tap upstairs to break the vacuum so the tank actually drains.
  5. Call 215-866-2046 for same-day service. Tell us what you found and we will arrive with the parts for a valve or fitting repair, or with a replacement unit if the tank is gone.
215-866-2046
Local Service, Local Shop

Same-Day Water Heater Repair Across Bucks and Montgomery County

Lions is based in Warminster, so a water heater call here is a short drive, not a dispatch from another county. Our shop is at 2049 Stout Drive, Suite B1, Warminster, PA 18974, and our technicians work the neighborhoods around York Road, Street Road, Hartsville, Log College, Johnsville, Lacey Park and Warminster Heights every week. We reach Ivyland, Warrington, Southampton, Hatboro, Horsham and Doylestown just as routinely, along with the rest of Bucks and Montgomery County.

Same-day water heater repair is the normal way we work, not a premium tier. When you call, we ask a few questions about the symptom, the fuel type and the age of the unit so the right parts are on the truck before it leaves the shop. Whether the water heater is in a Warminster Heights basement, a Southampton crawlspace or a Horsham utility closet, the process is the same: diagnose, quote, repair. Browse all service areas to see the full list of towns we cover.

Our Customer Reviews

Our Service Area

Serving Warminster, Central Bucks & Eastern Montgomery County

Local expertise matters in HVAC work because every community has unique characteristics that affect system performance. Warminster's mix of older and newer homes requires different approaches than the predominantly newer construction in areas like Horsham or Montgomeryville.

Don't See Your Town or City?

Give us a call or view all of our service areas‒We’re happy to talk with you and see if our team at Lions Heating & Air Conditioning can help you today.

215-866-2046   Book Now
Rheem Pro Partner, MeasureQuick Measured

Why Warminster Homeowners Call Lions

Homeowners in Warminster call Lions for water heater repair because we are a Rheem Pro Partner, which means factory training and direct access to Rheem parts and technical support. We measure instead of guessing: every Lions technician carries MeasureQuick on every service call, so the diagnosis comes back with hard numbers you can see rather than a hunch. With over 15 years of local Warminster experience, we know which faults show up on each brand and at each age, and we know when a repair is worth making.

You get an upfront estimate before any work begins, and if the answer turns out to be replacement, the new unit carries our 10-year labor guarantee. The Lions Club maintenance plan covers the annual flush or descaling that prevents most of the calls on this page, and financing options are available when a replacement lands at a bad time.

215-866-2046   Learn More
Lions Heating & Air Conditioning service vans

Frequently Asked Questions
About Water Heater Repair in Warminster, PA

No hot water, water that runs lukewarm or swings in temperature, rumbling or popping from the tank, rusty or discolored hot water, a pilot light that keeps going out, and moisture or drips around the base are the common signs. A leak from the tank itself usually means replacement; everything else is often repairable the same day.

Leaks come from three places: a fitting or the temperature and pressure relief valve on top, the drain valve at the bottom, or the tank itself. Fittings and valves are repairs. Water seeping from the tank body means the steel has rusted through and the unit needs replacement. Shut off the cold supply and call 215-866-2046.

On a gas water heater, check that the pilot light is lit and the gas valve is on; on an electric unit, check the breaker and press the reset button behind the upper access panel. If hot water does not return within an hour, the thermocouple, heating element or gas control has failed. Call 215-866-2046 for same-day repair.

Repair it if the unit is under 8 years old, the tank is dry, and the fault is a valve, element, thermocouple or thermostat. Replace it if the tank leaks, it is 10 to 12 years old, it has needed repeated repairs, or your hot-water needs have outgrown it. We give you both options with numbers before doing either.

A tank water heater lasts 8 to 12 years and a tankless unit 15 to 20 with annual descaling. Plan the replacement once a tank passes 10 years, shows rust at the fittings or in the hot water, or needs a second repair. Replacing on your schedule beats replacing on the morning it floods the basement.

Yes. We repair and service tankless water heaters, including Navien units, as well as tank models from Rheem, Bradford White and A.O. Smith. Common tankless calls are error codes from scale buildup, ignition failures and flow-sensor faults; most are resolved with a descaling flush or a single part. Call 215-866-2046 to schedule.

Need Water Heater Repair in Warminster, PA?

A water heater does not pick a convenient day to quit. When it does, Lions Heating & Air Conditioning answers the phone, asks the right questions and sends a technician with the parts to fix it: thermocouples, elements, thermostats, relief valves, igniters and the descaling gear for tankless units. Most repairs on tank and tankless water heaters are finished the same day, on the first visit.

If the tank has failed, we say so, show you why, and lay out the replacement options in writing. No pressure toward a new unit when a part will do, and no patching a tank that is about to let go. Either way, you leave the conversation knowing exactly what is wrong and what it takes to fix it.

Your Local, Trusted HVAC Pros

Your Local, Trusted HVAC Pros

Hot water is not a luxury in a Warminster home in January, and it should not take a week to get it back. Lions Heating & Air Conditioning is local, stocked for water heater repair on tank and tankless units, and ready to take your call today.

215-866-2046   Book Now

More Water Heater Services

© Red Barn Media Group 2026