Question about Pentair 460732 MasterTemp Heater 250BTU ()

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Pool heater is not working properly

The spa light is on and we don't have a spa. the heater light for the pool will not come on. When you press the off button the spa light stays on. the heater actually works, heats the pool but we have no control other than shutting off the gas valve.
Pool service put a new mother board in about 6 weeks ago and heater worked for about 4 weeks.

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So I assume you have pressed the button by pool to select the pool thermostat? If this doesn't work sounds like another mother board problem, or try powering down the unit a few minutes then restart. IF you haven't pressed the pool button, the read this: The heater comes factory set at 78° F. for the pool mode and 100° F. for the spa mode. If it's in spa mode it's trying to get to 100F. Using the up and down arrows,you can set the thermostats to a minimum temperature of 65° F., or a maximum of 104° F. If you desire to heat only one
body of water, the thermostat is capable of an off mode. As an example, if you only wish to heat the pool and not the spa simply depress and hold the spa down arrow, and the thermostat will lower its setting to 65° F. then go to an off mode. Here is a link to your manual :http://www.pentairpool.com/pdfs/MasterTempOM.pdf

Posted on Jul 08, 2010

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