Why is my gas pool heater making a loud noise?
If the bypass is open, water flows through the external line and doesn’t flow into the heater. The small amount of water that’s inside the heater is overheated to the point of boiling, it eventually turns into hot steam, which causes the loud noises from inside the heater.
How to troubleshoot a gas pool heater that wont turn on?
1 Heater won’t turn on 2 Pilot light won’t ignite 3 Pilot light keeps going out 4 Water isn’t reaching desired temperature 5 Heater cycles on and off frequently 6 Heater is leaking water 7 Rust in the pool from the heater 8 Heater is making loud noises
What to do if your pool heater pilot light goes out?
Ensure the pilot light isn’t being forced out by wind or water. Direct sprinklers and rain spouts away from the heater or use a cover that will keep rain and snow out. You may need a pool heater wind stack to prevent wind from reaching the pilot light. Make sure there is adequate gas supply.
What to do if your water heater makes a hissing sound?
Leave the area of the water heater and call your gas company immediately; they will tell you how to proceed. Also listen for a hissing sound near the water heater, as this is a sign of a gas leak. Check inside the door panel of your water heater for instructions.
Why is my pool heater making a strange noise?
A common noise made by a swimming pool heater is grinding or grating. You may have an obstruction caused by debris. Debris can prevent water or gas from flowing through the heater. You should start your troubleshooting with a manual flush of your system. Check your manual for instructions on how to perform a flush.
Why does my hot water heater make a ticking noise?
The heat trap has always been there, the noise is new. The noise could come from sediment building up on the bottom of the hot water heater. The ticking sound occurs when pockets of water trapped by the sediment escape. Tick, tock, goes the clock.
What to do if your swimming pool heater is not working?
Make sure that the pilot is lit (millivolt heaters). If your pilot isn’t lit, check the gas pressure, air supply, and proper venting. Make sure the pilot tube is intact and not clogged. For MV heaters, if the pilot won’t stay lit, check the output on the thermocouple. Is the gas supply valve in the ON position?
Why does my pool heater say low water flow?
Manufacturers equip swimming pool heaters with pressure sensors. These special sensors monitor and detect changes in water flow. For example, in some cases, you will see a “Low Water Flow” warning pop up on your heater’s LCD screen.
