cycling

I recently purchased a home with a heated pool & spa. The heater worked fine for a few months, but it's been taking longer and longer to heat the spa. Recently took over 2 hours to go 10 degrees. (84 to 94). When I put the pool in"spa" mode, the blower comes on, the amber heater blinks...

My intellichlor IC 40 salt cell is powering up and then immediately turning off and starting over again. I'd just replaced the flow switch, when I first turned it on it was fine, went out to check two hours later and it was doing the power cycle thing. Info about my system - Salt cell was...

Hello everyone, I have a natural gas 406a Raypak/Rheem heater continuously cycling after starting up. The first time the heater sparks and calls for heat the heater will stay lit for sometimes a couple minutes. After this time period the burners will go out, but the pilot will stay lit...