Question about Raypak Rp2100 Pool & Spa Heater Lonox 407k Btu Natural Gas Polymer Header Digital Rp407aenc

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Pool heater will not turn on - Raypak Rp2100 Pool & Spa Heater Lonox 407k Btu Natural Gas Polymer Header Digital Rp407aenc

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If it will not show anything on the display make sure it is getting power with a multimeter. If it is getting power and still no display is being shown it is a bad CPU board.
If you are getting a display, but just not igniting it could be 3 or 4 different things and we need more information. The most common failures to ignite this heater are:

pressure switch clog or failure
air switch clog or failure or broken air tubing

Posted on Oct 28, 2010

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Posted on Jan 02, 2017

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