Question about Hayward Pool & Spa
Your heater has indeed a safety system - a thermocouple will engage the main gas valve and keep it open while the flame is lit.
If the flame dies with popping after being lit it's because either:
1- the air - gas mixture is too rich because the air vent on the burner has been partially clogged by dirt and it will have to be cleaned and readjusted.
2 - the safety thermocouple no longer powerfull enough to keep the valve open and it will have to be replaced.
While, with some care, you could clean the air vent itself, the replacement thermocouple-valve assembly must be replaced by a pro - you will have to call one.
Posted on May 24, 2011
The thermocouple is most definitely not the control knob.
The thermocouple is a thin tube that is supposed to be in the tip of the pilot light.
If it is not heated up by the pilot light, then the main valve will not release the main gas.
What you are probably smelling is the small gas released for the pilot light, because it is not lit.
Follow the procedure on the gas valve, for lighting the pilot light.
If your system does not have a pilot light, and has an electrical ignition system instead, then probably the ignitor is bad. It is a crystalline probe in the path of the gas, that is suppose to glow red hot and ignite the gas. They often crack from water dripping on them. It will have a 2 wire connector, and be mounted in the path of the main gas.
Posted on May 23, 2011
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Posted on Jan 02, 2017
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