Recent content by W. Thompson

Well, it appears to be a gas supply problem. Under load, with the system on, the high pressure reads 1.2 WC. We will work on the problem from that end and see what we get. Thanks for the help and suggestions.

Correct, the regulator I am adjusting is on gas valve (part #17 on the diagram). You bring up a good point, I need to check the incoming pressure (high-pressure side) while it is running to see if it can maintain the necessary flow of gas. Thanks for the tip. Yes, I purchased a new gas valve...

Here are some images of the burners, nozzle, and box. I have not observed any soot, but the first 3 burners, from the right side, are more corroded than the other 4. Although the first 3 are rusty on the surface the small holes on the top of the burners are clear. All the nozzles are clear...

Swamprat69 - thank you for the link to the installation manual. That will be helpful for instructions on removing and cleaning the burners. Everyone else, thanks for your suggestions. I will take the heater apart again and get some pictures to share. Give me a few days. Thanks again.

Hello. I stumbled across this forum while trying to troubleshoot a pool issue. We live in Georgia and have had our pool for a little over 12 years.

We have an H400FDN pool heater. It is 12 years old and is used about 4-8 times per year. It worked this summer but stopped this fall. If we pull the small cover on the left side (igniter access baffle?), the unit will light but only the left half of the burners appear to be lit. The left...