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Rinnai space heater

Pilot light will not stay lit

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Re: rinnai space heater

Help us out by giving us a make and model number.

Posted on Oct 25, 2007

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SOURCE: Rinnai Tropic ventless heater. Pilot will light

found that the pilot tube had dust bunnys in mine so blew it out with a air can i had for the computer now the pilot light stays on just fine

Posted on Feb 09, 2010

  • 120 Answers

SOURCE: rinnai gas heater model RCE-318H

Real odd one as if ignition fails this unit is designed to flash various lights to give you an idea of what the fault is. Also this usually happens after about 10-15 seconds. I'm going to have to ask you to clarify that no other lights flash. If I had this fault exactly as you descibe, after running some basic tests to check gas supply and any obvious damage or burnt out components I would change the the main PCB as a start and the control PCB as a plan B.

Posted on Aug 09, 2010

  • 27 Answers

SOURCE: Older style Rinnai gas heater

not a problem. however, if you want to shrink it down... it's hard to say just what your gas valve is like. There should be 2 spots on it for adjustments, the larger slot (should be covered by a brass plug) adjusts the main burner output, the smaller adjusts pilot output. crank it down and watch the pilot shrink, but in this situation bigger is better. the pilot creates an electrical signal that opens the gas valve, you don't want that signal to be too weak.
It would be wise to clean the pilot supply, to have a cleaner flame. pressurized air does well with out having to remove it.

Posted on May 07, 2011

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I have a rinnai 30000 btu floor heater. The pilot will not stay lit. I have installed a new thermocouple please help

Contact rinnai support ,make sure the pilot sensor is sitting in the flame,& i hope you did not over tighten it when installing it also lightly sand the end that screws in.

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I have a 30000 btu rinnai floor heater mod 630530. The pilot wont stay lit . I have installed a new thermo couple . please help

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1 Answer

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Check the position of the thermocouple and if there is one make sure it is very close to the pilot flame Usually when a pilot light will not stay lit, it is an indication that the thermocouple is bad. Replace it.

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1 Answer

I can get the pilot light lit but will not stay on to light the burners

Try cleaning the thermocouple or replace it. The thermocouple senses heat from the pilot light and in turn brings up the gas to the main burners upon request from the thermostat.

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You may need to take the pilot assembly apart and clean the pilot orifice. If the pilot does not stay lite you may need a new thermocouple. Good Luck.

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1 Answer

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