Hayward H400idl2 400,000 Btu Low Nox Heater Natural Gas "h400idl2" Questions

I have Hayward H400IDL2 heater I recently had #1 and #2 1.5 amp fuses blow. I replaced them and then the #4 2.5 amp blew so I replaced it. When I press the mode button to spa the heater blower comes ...

I have water leaking behind the Thermal Control Value. What can I do? On a hayward H400IDL2 Heater. make a hole and silicone in a drain hose, or silicone the leak directly

H400iDL2 heater - all the inner components are burned up. I heard that this may have been a design flay due to amount of heat that the unit generates. Anybody else have this issue?? ARE YOU SURE NOT ...

Hayward H400iDL2 pool heater burned up after only 3 seasons! I recently had a service tech tell me that my Hayward H400iDL2 heater has sooted up and it's burned up the blower and air tubes that ...

I have a hand held control showing pool temp at 200f - with a Hayward h400idl2 heater - where is the pool temp sensor - can this be easily replaced? The pool temp sensor seems to be malfunctioning. ...

Why does neither UP nor DOWN adjust my temp? Typically this means the heater is in remote mode and is controlled by an outside source ie, control panel or automation prodict