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Pool Heater Question

Our pilot comes on and stays on. When we turn heater on it comes on fine but then shuts down minutes later. Pilot goes out at that point, also. We have backwashed and have plenty of pump pressure. There is a "click" sound by the "pilot on" button when it shuts down. Any ideas or suggestions?

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The pilot is there for two reasons one is to light the main burners the second is the safety feature. when the pilot is on there should be a cylindrical tube of metal near the flame. that tube is either a thermalcouple or a thermalpile. the t-couple or t-pile converts the heat energy to small amounts of dc voltage. the dc voltage powers a small magnet inside the valve when the voltage gets to low the magnet will release causing a small "click" and the gas will shut off. one thing that you can do to try and fix it is make sure your pilot is encompassing the top 2 3rds of the T-couple or T-pile and that the flame is strong and not blowing around when the burners come on. the second thing is that the T-couple or T-pile may have become weak with age, the only way to test the out put is with a special inline adapter. nice thing about T-couples and T-piles is that there a fairly in-expensive part. hope that helps some. good luck

Posted on Jun 11, 2008

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