Question about Rheem 266K to 399K BTU Swimming Pool Natural Gas Heater ()
Heater will not ignite. Display showing clock/fireman switch
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Posted on Jan 02, 2017
Here is the link to the service manual for your tankless water heater:
See page 35 for specifics regarding dip switch settings. If you have problems with the link, post again and I will publish it on my company website for you to review.
Posted on Aug 22, 2009
If you run a search for Rheem or RayPak the site should bring you to a menu that will have most manuals.
This link may help but I think it goes to an older heater, but it will give you a start.
Posted on May 09, 2010
SOURCE: Heater Wont light
If it has been off for a while you probally just have to bleed the gas line out. Shut off the gas valve at the heater and then open the union at the heater. Turn the gas back on till you can smell gas. Shut it down and close the union then turn the gas back on and try it again.
Posted on May 28, 2010
coud be several things, Do you have Gas and is gas toruned on. Is valve on. The Pilot could be dirty and need cleaned. $350+ sounds reallly pricy for a pilot assembly. Call your Gas Company and get an Estimate and a Qualifed Service tech. You may try turning Off the Power to the Heater Unit and turning it back on , and then trying to turn on heater again, So times after several atemps the valve will lock out and the power needs reset on Propane units.
Posted on Jun 29, 2010
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