
- Investigate Power Source. Many pool heater errors occur because of power problems. ...
- Check the Temperature Settings. Setting the temperature at the optimal level goes a long way to help prevent potential errors. ...
- Refer to Your Model’s Manual for Error Codes. No troubleshooting method works better, like turning to your model’s manual. ...
- Inspect Parts of the Heater for Malfunctions, Rust, and Leaks. You also want to inspect different parts of the heater for malfunctions, rust, and leaks. ...
How much does it cost to repair a pool heater?
Pool Heater Repair Cost. Swimming pool heater repair costs $458 on average, or between $161 and $757. Common issues that might warrant repair include failure to power on or reach the temperatures you set. The extent of wear or damage (and the type of pool heater itself) can affect repair costs, too.
Why is my pool heater not heating water?
- Water valves open and clear. The next thing to check is that your water valves are all open and that you have good water flow. ...
- Filters and baskets free of debris. ...
- Variable-rate pool pump. ...
- Thermostat. ...
- The pilot light on? ...
- Thermocouple unit faulty. ...
- Heat exchanger damage or cracks. ...
- High-Limit switch. ...
- Bypass valve defective. ...
- Heat pump specific issues. ...
How much does it cost to heat a pool?
This is ideally the cheapest method of heating pool water in terms of upfront costs. However, in terms of running costs, this can be the most expensive. An electric pool heater cost s between $1,000 and $5,000, while the cost of running it for a month will be between $100 and $600 depending on how big the pool is and the location. Heat Pumps
How do you repair a leak in a pool?
Repairing Your In-ground Swimming Pool Main Drain Pipe
- Diagnosing Leak In Main Drain. First thing you need to do, is verify that your main drain line is leaking. ...
- Repair Difficulty Level. This is an easier repair than you might think. ...
- The Most Common Reason For Leak. ...
- Finding The Leak. ...
- Repairing The Line. ...

Can a pool heater be fixed?
If your pool heater won't turn on, check the power, then water. A pool heater that won't turn can only mean a few things: Damaged or weak electrical connection: check that your pump is receiving enough power from the breaker, and inspect the unit for damaged wiring.
Why is my pool heater not working?
Check the Filter The most common cause of swimming pool heaters refusing to start up is a dirty swimming pool filter. A dirty filter or pump basket can restrict the water flow so much that the heater simply can't work.
How do you know if your pool heater is bad?
Common Gas Pool Heater ProblemsThe Pilot Won't Light. ... The Heater Won't Ignite. ... The Heater Won't Reach the Desired Temperature. ... The Heater Cycles on and Off. ... The Heater Is Leaking. ... The Heater Leaks When Burner Is Lit. ... The Heater is Black on Top or Expelling Dark Exhaust. ... The Heater is Rusted.
How do you unclog a pool heater?
0:031:14How to Fix "Clogged Orifices" in a Pool Heater : Pool Care - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd see if you have the type that you can access and open up and clean this particular one hasMoreAnd see if you have the type that you can access and open up and clean this particular one has orifices that you can access with a crescent wrench. Pull the orifice off don't lose that ring.
What is the average life of a pool heater?
10 to 25 yearsAverage Life Expectancy of a Pool Heater Here's the quick answer – pool heaters can last anywhere from 10 to 25 years or more, depending on the type of pool heater, how regularly it is maintained, and how thorough the maintenance is.
How do you troubleshoot a heater?
Furnace Troubleshooting Recap:Clean or replace air filter.Troubleshoot thermostat problems — replace batteries if necessary.Set thermostat to heat and at a higher temperature than the current room temperature.Check electrical panel for blown fuses or tripped breakers.Make power switch near furnace is flipped on.More items...•
How do I know if I need a new pool heater?
Winters can still get pretty cold here, but it's nothing a good old pool heater can't fix. If you want to swim year-round, make sure to keep your heater in excellent condition....Signs That Your Pool Heater Needs RepairInconsistent heating. ... Thermostat malfunctions. ... Strange noises. ... Sudden shutdowns. ... Smoke and burnt smells.
What maintenance does a pool heater need?
Regularly inspect the pool heater's burner intake ports and remove any build up of debris. Check the burners for fraying or corrosion. If there are any signs of either, have the burners replaced. Regularly clean your filter; heaters require a steady flow of water through the pool filter to operate properly.
How often should a pool heater be serviced?
once a yearMaintenance. Your pool heater should be scheduled at least once a year for maintenance, and can benefit from bi-annual maintenance. During a maintenance appointment, your pool heater will be thoroughly inspected, components will be cleaned, lubricated and adjusted, and the unit will be tested for safety and performance ...
Why is my pool heat pump not heating?
Check that your heat pump is getting sufficient water flow. Without constant, sufficient water flow, your heat pump cannot transfer heat from the refrigerant to your swimming pool. Insufficient water flow will not only lengthen your heating time, but also cause damage to your heat pump's internal components.
Why will my heater not turn on?
If your heating system will not turn on, the first thing you should do is check the thermostat. The thermostat's battery may have gone bad, causing it to power off. If your thermostat is hardwired, a power surge, brownout, or brief power outage may have caused the thermostat to lose its settings.
How do I turn my pool heater on manually?
4:427:32How to Use Your Pool Heater, Put it into Spa Mode & Helpful ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipSee the red light is on meaning it's heating up. And again when you're done using it you'll hit theMoreSee the red light is on meaning it's heating up. And again when you're done using it you'll hit the pool button again to turn the heater off and you make sure the lights are off.
How do you reset a pool heat pump?
Simultaneously Press "Pool / Spa" button and "Up" button until the display shows 888. Release buttons. Reset is complete.
Why is my pool heat pump not turning on?
Check your desired water temperature and your actual water temperature. Many heat pumps cannot cool a swimming pool, they can only heat it. Therefore, your heat pump may not operate if your swimming pool temperature is higher than the temperature set on your heat pump's display.
Why is my pool heater not heating?
If your pool isn’t being heated to the right temperature it could also be a malfunctioning high limit switch. The switch might be telling your heater to turn off before its job is done.
When to start swimming with gas pool heater?
Gas pool heaters allow you to extend swimming season into the fall and lets you start swimming in early spring. Nothing ends you cool swimming seasons quicker than a faulty gas pool heater.
Why won't my pilot light on my heater?
If your pilot won’t light, it’s normally due to low gas pressure, poor air supply or improper venting. Check the heater pilot tubing and look for any debris blocking the passageway. You’ll also want to check that the vents are in good shape and the heater isn’t flooded.
Is it good to have a gas pool heater?
Having a pool heater is great to get more swimming days out of the year. Knowing how your gas pool heater works and being able to diagnose and fix small issues can keep your pool heater working great and saving you repair costs. Here’s to working on your pool repairs less and working on your cannonballs more!
Why won't my pool heater heat?
They say that up to 70% of all ‘My heater won’t heat’ service calls are due to low water flow. The heater has a pressure switch and an internal bypass, to ensure the correct amount of incoming water flow, before it will turn on.
What is the first switch on a pool heater?
You will need to follow the power to each safety switch . The first one is the pressure switch . This switch makes sure enough water is flowing through the unit before it will let the pool heater turn on. This means you must have the pump on and a clean filter for this switch to close and allow voltage to pass through.
What happens if a heater fails?
The fusible link cannot be reset and if yours has failed, the heater may have a blockage of the burners or improper venting / exhaust from the top of the heater.
How many volts does a millivolt pool heater use?
Electronic pool heaters are supplied with power that runs through a transformer as it enters the heater. The reduced voltage, usually 24 volts, is then sent into a control module, aka IID or Fenwal.
What does the power go to when a heater is 24 volt?
Next the electric goes to the gas valve and, depending on if you have a 24 volt electronic heater or a millivolt heater, the power then goes to an electric ignition box or IID that will light the pilot.
What is a control loop in a pool heater?
This is a simple circuit (think school science fair, with a battery, switch, and light) that goes through a number of safety controls, or checks before the heater is allowed to fire-off.
Where is the bypass valve on a pool heater?
A word on bypass valves. Most pool heaters have an internal bypass valve that is located inside of the front header of the heater (where the pipes go in and out).
What parts of a pool heater can be swapped out?
There are different parts of a pool heater, including the high limit switch, pressure switch, motor, and heating element that can be swapped out for a new one in order to get your heater running again. Replacing parts can significantly save you on cost as you’ll avoid purchasing an entirely new heater.
What happens if your pool heater is set in the wrong direction?
While this may seem a little silly, if your plumbing valves are set in the wrong direction, then your pool heater will not be getting the necessary water flow. Doing a quick walk-through is of your plumbing valves and connections may lead you to find that an incorrect connection was made at some point.
Why is my pool heater not getting enough water?
To make sure that your pool heater is getting enough water, you need to check your filter. If you have a dirty filter with a lot of blockage, this will keep your pool heater from receiving an adequate amount of water.
Why is my pool heater not working?
Sometimes the fix can be as simple as making sure the pool heater is plugged in properly. Check to make sure that your pool heater is properly connected to the power source and that there are no electrical connection issues.
Why is my pool heater pumping out exhaust?
If your pool heater is pumping out dark exhaust, it could be building up way too much heat when it’s running. If this is happening, check the gas pressure and make sure your heater is venting properly.
How hot should a pool heater be?
But with many units, once you dip below 50 degrees, the pool heater will not be as effective at doing its job. Typically, it needs to be at least 60 degrees out in order for your pool heater to function the best way possible. One neat DIY trick to use when regulating the temperature is setting a solar cover on your pool heater.
What does it mean when the pilot light is not working?
If the pilot light is working, make sure the heater is turned on and the gas valve is in the “on” position.
