Questions & Answers for: replace igniter hayward h400 pool

replace the igniter, gas valve, or electronic module? Thanks in advance for your assistance. Gas valve. Gas valves will often stick in the closed position especially after sitting dormant for a period

Hayward H400 Pool heater will not stay lit I'm trying to start-up a Hayward H400 electronic ignition natural gas heater for my pool. It was brand new last season and worked perfectly. It keeps firing ...

...PUMP OFF COMPLETELY TO KEEP IT FROM TRYING TO START UP. HAYWARD MODEL H400 CE is a communications error on the board...the control module and/or Display interface assy. probably need to be

...hayward h400 gas heater for my inground pool. the sf button is on. where is the temperature sensor located You should be able to find this on the manifold on the side of the heater. You can find two ...

...Hayward H400 FDP. CE error, probably year or so. If the boards have to be replaced, why together, versus replace the one that is bad? The CE error code means Communication Error. This is a loss ov ...

...it is tight on the post there. You can check the gas orfaces on the main gas tube for spider webs by running a stiff wire inside them. If this is not the problem then you should replace the

...pool pump failed and replaced. After replacement H400 heater shows LO code. Is there a reset capability on the heater? LO code is for a fault at 1 or more of 4 switches. water temp, pressure limiter, ...

...hayward-pool.com/pdf/manuals/Manual285.pdf Towards the back of the manual there are troubleshooting and flow charts....they should help you to troubleshoot your heater.... before I would change out ...

it fixes the issue. Due to he cost of the boards it usually pays for itself to call a Hayward certified repairman out as he/she will have both boards available to try ond only replace the one you need

Replace igniter on h400 Open the main door, locate the 2 white fabric coated wires, they go down towards the base of the heater. This is your igniter, usually a 5/16 nut driver will be the tool you ...