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I have a Raypak 156A propane heater, 5 years old. Constant problems every spring. Currently it will not light, and produces a small explosion in its attempts. I’m not sure how else to indicate that. The pilot will spark and light, but when the main burner attempts to light, there is a big...

Raypak 156A heater, 5 years old. Just replaced the heat exchanger as the original had developed leaks. After installing the new heat exchanger, the pilot will not light. I get a “ignition lockout / no pilot sensed” error message. I have tried multiple times. Propane is not an issue. It...

Raypak 156A propane heater for above ground pool with ioniz, 3 years old. Recently and fairly suddenly the heater has developed a high pitched whistling while it’s running. I have tried many troubleshooting options and really don’t want to remove the burner tray if I don’t have to. Here’s what...

I have a Raypak 156A heater for my above ground pool. 2 years old. Had a couple Hi Limit Switch Open issues last week, that cleared up. Then a Rollout Switch Open fault and it shut down. I determined with my multimeter that the rollout switch had indeed blown, and a new one is on the way. In the...

Raypak 156 propane heater, just 3 weeks old. I ran out of propane at the main tanks, and the unit went into ignition lockout. Had the tanks refilled, but the heater won't fire up. It will attempt to light the pilot, then go back into ignition lockout - no pilot sensed. I purged the main main...