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Hi all. Heater is 8 years old. New gas valve came in today. Got it installed and have progress but not all the way there yet. Gas is flowing now but doesn’t keep flowing. Gas valve opens up, try’s to light 3 times and them the service heater light comes one. The ICM flashes 3 times after this a...

Here ya go. I know the control board is good because everything but gas turned on after I replaced this and ICM whereas there was nothing prior to changing either. As for the other parts purchased via Amazon, they are represented as being genuine but in purchasing online there is always risk...

eBay: control board (found used from very high rated seller) Amazon: ICM, pressure switch, thermistor, automatic gas shutoff switch, high limit switch and ignitor (all new, high rated)

Yes, it is.

Side view

I don’t know why but TFP won’t let me upload anymore photos

Here ya go! Thanks

You bet. What pictures might help? Everything visually looks the way it should so not sure it’ll tell anything

Good Evening, all. A bit of an update and a request for additional advice. I'm in a bit of guess and test mode but it seems to be progressing one part at a time. I replaced the circuit board. Upon replacing this, the membrane pad now comes on but nothing else so I replaced the ignition control...

Thank you, James. I ended up finding a used one on eBay for $225 from a reputable buyer with a money back guarantee. That was a much easier pill to swallow. Fingers crossed

James to answer your questions; heater is approx 8 years old. Using the red voltage selector plug, that's what it was originally set up with. Input voltage properly reading a bit over 240. No apparent mice damage. Yes both gas valves are on. All that said, I walked through the trouble shooting...

Thanks you much. I got the signature and profile completed. No automation on the heater, just the basic set up. Correct, fireman’s switch and I agree, that’s the only fuse I can find. Given the transformer secondary is not fused, do think that may be shot? I can run multi meter tonight.

Hi AJW. Yes, I have a multimeter and admittedly can stumble my way through its use but no expert.

Hi, long time reader, first time poster. I seem to be having an issue with my Pentair Mastertemp 250 heater. In getting everything started up and ran for the season, I noticed the fuse blown and have replaced it. After replacement there is still nothing lighting up on the membrane pad and no...