Pool Heater Repair in Central Florida
Premium Pool Heater Repair for Homeowners Across Central Florida
Pool Heater Repair for Gas Heaters and Heat Pumps
Fast Pool Heater Repair When the Water Turns Cold
A warm pool is a big part of why Central Florida families swim well past summer. So when a cool front rolls in and the heater won’t fire, clicks without lighting, shuts off before the water warms up or starts leaking, it’s frustrating. Most heater problems trace back to a short list of causes, and the right diagnosis keeps you from paying for parts you never needed. That goes for gas heaters and heat pumps alike, whether yours is five years old or fifteen.
Our pool heater repair service starts with the basics. First, we confirm the pump is running and the water is flowing, because low flow causes more heater trouble than anything else. Next, we check the thermostat, the switches and the safety controls. Then we move to the gas supply, the ignition, the venting and the heat exchanger on gas heaters, or the fan, the coil and the compressor on heat pumps.
Once we find the problem, we explain it in plain English and give you a clear quote before we start. After the repair, we run the heater and confirm it fires, holds temperature and shuts off the way it should. You’ll also get a short note on what caused the problem.
We repair Hayward, Pentair, Jandy and Zodiac heaters across Central Florida. Gas and electrical work is handled by qualified, licensed hands. Whether you need pool heat pump repair or a gas heater that won’t light, fill out the form for a free pool heater repair quote.
Signs Your Pool Heater Needs Repair
Heaters usually give you a warning before they quit. Call for pool heater repair if you notice any of these:
- The heater won’t kick on, even with the pump running
- You hear clicking or sparking, but the burner never lights
- The heater turns off and on before the pool reaches the set temperature
- A heat pump runs, but the water never gets warmer
- Water drips or pools under the heater cabinet
- You see black soot, dark exhaust or a warped cabinet top
- The control panel shows an error code or a flow warning
Before you call, a few safe checks can help. Make sure the heater’s switch is on, the thermostat is set higher than the pool temperature, the pump is running and the valves are open. Also check that the filter is clean. Anything past that, especially anything involving gas or electricity, is a job for a licensed tech.
Why Is My Pool Heater Not Kicking On?
In our experience, a heater that won’t kick on is usually waiting on water flow. Every heater has a pressure switch or flow switch that keeps it from firing unless enough water is moving through it. So a dirty filter, a clogged pump basket, a closed valve or a bypass out of adjustment can all keep the heater from lighting.
If flow is fine, we move on to the controls. We check the system switch, the thermostat setting and the fireman switch, which is a low-voltage switch that shuts the heater off before the timer stops the pump. On gas heaters, we then confirm the gas valve is on, the supply valve is open and, on propane systems, that the tank actually has fuel.
Clicking or sparking without ignition is a different story. At that point, the problem is inside the ignition system or the gas supply, and it needs a qualified technician. Please don’t keep trying to light it.
Gas Pool Heater Repair
Gas heaters run on natural gas or propane, and both need careful handling. Natural gas is lighter than air and escapes if it doesn’t light. Propane, on the other hand, is heavier than air. If it doesn’t light, it can settle in the bottom of the heater, and a delayed ignition can blow out the front panel. That’s why gas pool heater repair should only be done by trained, qualified techs.
Ignition and Pilot Problems
Older heaters use a standing pilot, where a small flame heats a thermocouple that opens the main gas valve. Newer heaters use electronic ignition, where a spark lights the pilot and the pilot lights the burner. A pilot that won’t light usually points to low gas pressure, poor air supply or a venting problem. Likewise, a pilot that keeps going out often gets hit by water from a roof, a gutter or a sprinkler aimed at the heater. Here in Florida, a stray sprinkler head is a common culprit.
Soot, Black Exhaust and Heat Damage
A black top, dark exhaust or a warped cabinet means the heater isn’t burning cleanly. The usual causes are low gas pressure, a poor air supply or a venting problem. In windy spots or next to a tall wall, a down-draft can push exhaust back into the heater, and a high wind stack may be needed. Soot also blocks the air the burners need, so cleaning it out is part of the repair. For safety, never set anything on top of a heater, since blocked airflow can damage it or start a fire.
Pool Heat Pump Repair
A heat pump works like an air conditioner in reverse. It pulls heat out of the outside air with a refrigerant and a compressor, then moves that heat into your pool water. As a result, it’s very efficient, often putting out three to eight times more heat than the electricity it uses.
That efficiency depends on the weather, though. The colder the air, the less heat a heat pump can pull from it. The U.S. Department of Energy’s guide to heat pump pool heaters notes they work best when the air is above about 50°F. So on a chilly January morning, a heat pump that heats slowly may be working normally. When it runs but doesn’t heat at all, we check water flow, the fan, the coil, the thermostat and the compressor. Refrigerant work is specialized, so we’ll tell you honestly when a heat pump needs that level of repair.
Heater Cycles Off Before the Pool Warms Up
A heater that turns off and on before reaching the set temperature usually has a flow problem. A dirty filter, a closed valve, a bypass out of adjustment or a backwash in progress can all trip the pressure switch. Reversed water connections cause the same symptom. If flow checks out, the pressure switch may be out of adjustment or the thermostat may need calibrating or replacing.
Sometimes the water simply loses heat faster than the heater can add it. In that case, a solar cover on cool nights helps a lot, because it slows the heat loss that a small heater can’t keep up with.
Pool Heater Leaking Water
A pool heater leaking water often has a corroded heat exchanger. Most heat exchangers contain copper, and water with a low pH slowly dissolves it. Sometimes you’ll even see blue-green stains on the pool surface from dissolved copper. Once the metal gets thin enough, it starts to leak.
That said, some drips aren’t leaks at all. If water only appears while the burner is lit, it may be condensation from heating very cold water, a missing or damaged bypass or too much flow from an oversized pump. We sort out which one it is before replacing anything.
How Water Chemistry Damages Heaters
Water balance and heater life go hand in hand. Low pH eats away at copper and metal parts. Hard water causes the opposite problem, because calcium gets less soluble as water heats up. As a result, scale builds inside the heat exchanger, the heater loses efficiency and flow drops.
Where chemicals enter the system matters, too. Chlorinators and chemical feeders belong after the heater, with a check valve that keeps chemicals from flowing back into it. A feeder in the wrong spot sends concentrated chemicals through the heater and shortens its life. Keeping your water balanced is the cheapest heater repair there is, and it’s part of every weekly pool service visit.
Our Pool Heater Repair Process
Every pool heater repair visit follows the same steps:
- Checking the pump, filter, valves and bypass for proper water flow
- Testing the switches, the thermostat and the pressure or flow switch
- Inspecting the gas supply, ignition and venting on gas heaters
- Checking the fan, coil and compressor on heat pumps
- Looking for leaks, soot, corrosion and scale
- Explaining what we found and giving you a clear quote before any work
- Making the repair, then running the heater to confirm it fires, heats and shuts off correctly
If your heater was ever under water after a storm, tell us before it’s turned on. Any control part that was flooded needs to be inspected and replaced, since running it can be dangerous.
Repair or Replace Your Pool Heater?
Most pool heater service calls come down to a single part, such as a pressure switch, an igniter, a thermostat or a blocked burner. Those repairs usually make sense. When the heat exchanger is badly corroded, the cabinet is rusted through or a heat pump’s compressor has failed, a new heater may be the better value. Our pool heater installation team can walk you through gas and heat pump options.
Pool Heater Repair Cost
Pool heater repair cost depends on the type of heater, what failed and how easy it is to reach. A clogged filter or a tripped pressure switch is a quick fix. An igniter, a gas valve or a control board costs more. A heat exchanger or a heat pump compressor costs the most. We always give you a clear price before we start, and we’ll tell you honestly when a repair isn’t worth it.
Why Central Florida Homeowners Choose Sunwave
Sunwave is a family-owned Central Florida company with a licensed repair team. Our techs track down the real cause instead of guessing with parts, and you get a price before any work begins. There are no long-term contracts. Plus, one company can handle your heater, your pump and your weekly cleaning. If the heater isn’t getting enough water, our pool pump repair team can fix the flow problem on the same visit. For heated spas, see our spa repair service.
Schedule Your Pool Heater Repair Today
Swimming pool heater repair is one of our pool repair services, and it’s all part of our pool service in Central Florida. Fill out the form or call (689) 312-9063 to get your pool warm again.
Our Service Areas
We serve homes across Seminole County and Orange County, including Sanford, Lake Mary, Oviedo, Winter Springs, Orlando, Winter Park and Windermere. See every community in our service area.
Pool Heater Repair FAQs for Central Florida Homeowners
Here are the pool heater questions Central Florida homeowners ask us most. Still have a question? Give us a call at (689) 312-9063.
Yes, pool heaters can usually be repaired. Most problems come down to one part, like a pressure switch, igniter, thermostat, gas valve or a blocked burner, and those fixes cost far less than a new heater. A badly corroded heat exchanger or a failed heat pump compressor is a different story. We test the heater first and tell you which way makes sense.
The cost to fix a pool heater depends on the heater type and the part that failed. A dirty filter or a tripped pressure switch is a quick, low-cost fix. An igniter, gas valve or control board costs more. A heat exchanger or heat pump compressor costs the most. We diagnose first and give you a clear price before any work starts.
An electrician can fix the electrical supply to a pool heater, like the breaker, wiring or disconnect. A pool heater itself is a gas, water and control system, so the repair needs someone trained on heaters. Gas heaters in particular should only be repaired by qualified, licensed technicians. Our repair team knows the whole system, from flow to ignition.
A pool heater that's not kicking on is usually missing water flow or a signal to fire. Check that the pump is running, the filter is clean, the valves are open, the switch is on and the thermostat is set above the pool temperature. On gas heaters, confirm the gas is on. If it clicks or sparks without lighting, call a technician.
A pool heat pump that's on but not heating often has low water flow, a dirty coil or a fan or compressor problem. Cold air matters too, because a heat pump pulls heat from the air and makes less of it on chilly days. Check the filter and valves first. If the fan runs but the water stays cold, have a technician check it.
If your pool isn't getting warm even though the gas heater fires, the heater may be too small for the heat the pool loses, or it may be short on flow or gas. Scale inside the heater and a bypass out of adjustment also cut output. A solar cover on cool nights helps a lot. A tech can check gas pressure and flow.
A pool heater leaking water usually has a corroded heat exchanger, since low pH slowly eats the copper inside. Leaks that only appear while the burner is lit can be condensation from very cold water, a damaged bypass or too much flow from an oversized pump. Blue-green stains in the pool can be another sign of corrosion. Have it checked before it gets worse.
A gas pool heater putting out black smoke or soot isn't burning cleanly. The usual causes are low gas pressure, a poor air supply or a venting problem, and a down-draft in windy spots can make it worse. Turn the heater off and call a qualified technician, because soot blocks the burners and can damage the heater or create a safety hazard.
A pool heat pump icing up usually means it's running in cold air with too little airflow or heat transfer at the coil. A dirty coil, a weak fan, low water flow or a refrigerant problem can all cause it. Light frost on a cold morning may clear on its own, but heavy ice that keeps coming back needs a technician.
A flow or pressure switch error on your pool heater means the heater doesn't sense enough water moving through it, so it won't fire. A dirty filter, a full pump basket, a closed valve or a bypass out of adjustment is usually to blame. Clean the filter and baskets first. If the error stays, the switch may need adjusting or replacing.