Gas Pool Heater Not Heating Water

The gas burns in the heater s combustion chamber generating heat that transfers to the water that s returned to the pool.

Gas pool heater not heating water.

Outputs range from 75 000 btu to 450 000 btu. Low flow or inadequate heating if your heater shuts off before warming the water to the desired temperature it may be the result of a dirty filter or an improperly set timer. Common heater problemsheater faultsheater not heatingheater problemheater wont ignitelow water flowpool heaterpool heater faultturns on and off. Pool heat evaporative losses.

First eliminate water flow issues then gas flow issues and finally the low voltage electric currents that run between pool heater components. Evaporative losses can account for 50 of swimming pool heat loss. A dirty filter can. Troubleshooting pool heaters is a methodical process.

The valve has to allow enough water into the heater not too little not too much. And if you have hayward heater error codes on display that makes finding the problem almost easy. Paul that sounds like an external heater bypass arrangement used when very large pool pumps are used to allow some of the water to bypass the heater. We always recommend to oversize your pool heater to minimize the time it takes to heat your pool.

A gas pool heater is considered one of the most remarkable innovations in terms of heating swimming pools through winter times. As the pump circulates the pool s water the water drawn from the pool passes through a filter and then to the heater. It is often engineered with a digital control pad. This heater type is still eco friendly due to the low nox emission level.

Of course there is also an internal bypass in most gas pool heaters. Sizing a pool heater is less tricky than sizing a pool heat pump or gas heater. Or a process of elimination really. A btu is the measured amount of heat created by a pool heater.

Gas pool heaters use either natural gas or propane. If your heater is undersized it will have problems heating your pool up. Swimming pool water on the surface is continually transitioning to water vapor.