pilot

Hello fellow pool people! Issue I’m currently having is that my clients heater (2021 raypak 407 NG w/ an D-2) isn’t firing. (Client states that it’s worked before) but I can seem to place my finger on what’s wrong. I’ve already performed the following; 1. Replaced board 2. Replaced gas valve...

The pool heater (I only use it with the SPA) stopped firing. It makes the noise usually heard when it is trying to start the pilot, does not stop doing this and never fires up. I checked troubleshooting (see attached file, Mini Max Plus Service Manual) and found that the lights all come on...

Hayward H150 millivolt Pilot lights with a nice blue flame and puts out a decent voltage but won't stay lit when you release the button. I removed the wires on the valve for the safety and jumped the two terminals to bypass that system and I still have the issue. I removed the wires for the...