Recent content by sturnpaugh

Ps0303, I jumped out the sensors and confirmed the continued issue, but I have new wrinkle. When I checked the header before the lower left bolt head was corroded to the extent that it could not be removed...the bolt head was nearly gone. But I removed the other nine bolts and found no water...

Thanks PS0303. I was afraid of that. I thought I might jump out all of the safety switches first just to make sure. What is the best way to do that? Do I just short the two connector wires together?

I am going through the identical problem. I have tried nearly all you have discussed except for replacing the control board, but I want to try jumping all the safety switches first (don't want to spend the money unecessarily). Do I just short the sensor connector wires together, or what is the...

I'll start by saying I have read through all the posts on this type of issue that I can find and have tried just about everything noted in them. I have a 4 year old MasterTemp 400 that is very rarely used. This past weekend after cleaning my filter I turned on the heater just to try it out...