Spa heat

During the winter I had concerns about my heater not being able to hold temp or rise while on constantly for 40-60 min. I verified that the temp on the control panel was an accurate reading with both a digital and mercury thermometer. 97 – 102 were all accurate readings. When it was 60 F outside it took up to 25 min to raise 1 degree with top half open. During first winter I had no issues with heat.
Also I have been periodically having one speed pump # 2 shut off anywhere between 10 sec and about 10 minutes after turning on. I clean my filter every week and am not sure why this would happen.


  1. Nigel


    Brian what is the serial number of your spa? You can usually find this on the id sticker near the Sentry Control Box.

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