Recent content by ronmerk

Hi Scott: You nailed it! Thinking about your reply, I went back to the heater and gave the heat exchanger main pipe a rap or two with the handle end of a screw driver. The heater immediately began to make knocking, popping and rattling noises. (water flow problem) I took off the main water...

I actually took the leads off (one sensor at a time) - put a "short" jumper across the leads and then put my ohm meter on the sensor and watched the ohm meter as the heater went through it's cycle. Each sensor had continuity until they "opened" from the heated water temp -then they closed when...

I have a Hayward H100ID nat gas pool heater, 2 years old. In the last couple of days, it's not working as usual - we have it set to auto run 2 hours, 2xs a day. This usually results in water temp of approx 90 degrees. The last couple of day, I noticed the water temp has fallen off...