Hayward H Series Millivolt 250,000 Btu Pool Heater H2501 "pool heater ignites shuts" Questions

...heater for in ground pool. When I set the temp it ignites for about 5 seconds then shuts off??? That brief delay is likely the window allowed to heat the thermocouple and it is probably defective. ...

...Heater heats spa to approx 20 degrees then starts to cycle, Shuts burners and ignition off, Then goes thru startup procedure and re-ignites and heats for approx 30 secs then shuts off. It will ...

...Pool heater flames on for 2 seconds, shuts off I have a Laars Teledyne Pool heater. It's about 10 years old. LLD 400 line. When I switch it on, I get flames for 2 seconds and then it shuts off. I ...

The heater ignites then after a few seconds it shuts off then continues to ignite and shut off heater ignites then goes on and off stack flue sensor or ignitor

...pool heater larrs lite low nox pool heater goes on for seven seconds and shuts down and goes into ignition lockdown. ...Need swimming pool heater tech to solve this problem. try removing and cleaning ...

pool heater turns on 5 seconds shuts off flsahing 1f This is a code for ignition falure. If you are getting a pilot then it means your Ignition module is not sensing the flame and shuting the gas down

...IF code afer a few relight cycles. Any advice? Thank you My Pool heater does that if it has low water pressure.The pressure switch will shut it down if there is low pressure going through it. Good ...