gas valve

I have a Hayward H400FDN heater that I've had for 10 years and this season it will not ignite. When I turn it on, the blower turns on, runs for a few seconds, then I hear the click it makes when about to ignite, but there's no ignition. The blower keeps blowing and it repeats that cycle two...

Hello Amazing TFP people. Weird issue with the heater that I am still scratching my head on... I think this is intermittent, which makes me think electrical or component related.... In the past few months, if I went to turn on the heater in the Aqualink app, the heater would come on in the app...

Need help adjusting manifold pressure on Jandy LXI propane gas valve (see pics). I replaced gas valve and still have Ignition Fault so I used manometer to test input pressure (all ok), but my output pressure is running 7WC instead of 9WC. I removed the black plastic cap and tightened the plastic...