Questions & Answers for: pentair spa heater service light

Pentair Heater shuts off prematurely when warming spa I have the spa set to 100 degrees. Prior to turning on the spa heater the water temperature is about 60 degrees. The heater warms the spa fine ...

...Pentair minimax 250 natural gas spa heater that does not ignite right away sometimes. You can hear the spark of the igniter but the burners don't light. When it does inot gnite right away it ...

pentair pool heater reads err, service light is on Check the transformer for 24 volts

...pentair lp 400 heater service light is on. How do I service it? Check the continuity accross the pressure switch, it il located on the right side above the header behind the panel with 2 or five ...

...pentair heater for our pool/spa won't work.. it gives us "service heater" indicator light. help. i would love to get into a heated spa.. Its always best to first check all your initial ...

pentair heaters runs for 1-2 mins then shuts off then fires up again eventually heats the spa but now takes 3 times as long, every time it shuts off the service heater light flashes then it fires up ...

we have a pentair MasterTemp Heater after 5 minutes the service heater light comes on no other error codes appear Does the heater ignite? Is the blower running?

Pentair MasterTemp heats spa and then gives Service Heater light I'm having a strange issue with my pool heater. It comes on fine and heats the spa up to what I set it to, usually 100 degrees. But ...

...pentair minimax plus heater had a damaged controller board due to it getting wet. I replaced with a new board. The heater is working now, but the service light stays illuminated. Any ideas what might ...