The red light on heater won't turn on

The pool heater is not heating the pool

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Posted on Aug 16, 2016

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This is an indication that the pressure switch is not working. When it completes the circuit thru the pressure switch it send power to the heater. It is the last fail-safe before power goes to the heater.

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Balboa 3 Amp Spa Heater Pressure Switch 2 0 PSI 30408

Balboa 3 Amp Spa Heater Pressure Switch 2 0 PSI 30408

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John Morganti

864 Answers
Posted on May 30, 2009

SOURCE: raypak pool heater piliot light on heat will not turn on

Make sure that gas control knob is set to ON (counterclockwise). Make sure that ON/OFF switch is ON. Check that temperature setting is high enough to call for heat. Make sure pool pump is running and water is flowing to unit.
If not above there is a diagnostic procedure on page 33 of manual at:
http://www.raypak.com/uploads/6000.52AG.pdf

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