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Question (Category: Plumbing)
I have an A.O. Smith 40 gal. powerhouse powershot waterheater. Model # FPSH40. Natural gas. The heater was installed in '03. About a year ago a problem started where the flame would start up, gas would flow and ignite but then the heater would shut off the flame and it would cycle through that for like 3 starts before giving up. We removed the ignition unit and cleaned it as well as cleaned a rod that appears to be a flame sensor. It worked for a year, but has started doing it again. Weirdly, if I simply remove the plate covering the flame, the problem is resolved for at least a few weeks but then it stops again, I clean out the unit and it works for another few weeks. I'm not waterheater literate and the manual is missing. If I could get that, it might help me label the parts that I'm removing or cleaning?
Info Request
Hello, I think you find everything you need in this manual. me know if you have further questions.NOTE: Expert is not compensated unless the ACCEPT button has been clicked. If you wish for the expert to receive their portion of deposit, you must click the ACCEPT button.

Answer by Matt D. (Purchased 2 times and rated )