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Hi , i have a Rinnai Highline mark 2 gas heater (1997)that ignites ok but wont heat the elements, and on the odd occassian the pilot flame turns off as i turn it up.Not sure whats wrong here.Help please.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

hotuna
  • 288 Answers

SOURCE: Heater will not turn on

If these are newer units 5 years or newer, there may be a thermal safety device up near the top. Follow the wires to find it. if you have this, bypass it by connecting the two wires going to it to each other and not the little disc. If this does not get the burner to ignite, then the next culprit or you do not have one then next is the pilot generator. This is the round cylinder next to the pilot flame. It and has 2 wires connecting to the gas valve. Remove it from the pilot assembly, it usually is just a clip, unscrew the 2 wires and pick up a new one. The connection on the gas valve has these wires labeled as TP for thermopile (dont ask, I don't know) replace in reverse as removed.

Posted on Dec 18, 2007

SOURCE: Heater will not ignite

The igniter should have 120v if it is Hot Surface Igniter (HSI). You may be having a problem with gas pressures. Possible transformer problem also if you changed that with other parts.

Posted on Mar 04, 2008

  • 4 Answers

SOURCE: pilot lights but when ignition pops back up the flame goes out

will either be the unitrol control box or the thermocouple, when you push down you are holding two magnets together and waiting for a small charge to be created from the probe in the flame , if this is not working you have no charge and the magnets won;t stick to allow the valve to open, change the thermo and see if that works first, its way cheaper than a new controler

Posted on Feb 05, 2009

  • 1 Answer

SOURCE: Glo-Warm Wall Gas Wall-heater parts...

We had a problem keeping the pilot light to stay on, and this site recommended that it could possibly be the thermocoupler that was causing our problems also. We ordered the thermocouple, put it on,hooked it back up and it worked great! Thank you so much.
ordered thermocouple from www.masterparts.net

Posted on Feb 24, 2009

  • 126 Answers

SOURCE: Rinnai heater turns itself off

Dannizen,

You could have something as simple as an air hose off, or a piece of carbon on the flame sensor. Your problem could also be a gas valve , which is much more complicated. If you are handy with tools you could be able fix either quickly. If you’re not good with tools you will need to get some help. Either way you have to have some back ground info on your heater. Get in touch with Rinnai and get a service manual for your unit. They cost around $15. If you have to call a service guy, use the Rinnai web site to find an authorized service person. Don’t just let your fingers do the walking and get some guy who has no idea what a Rinnai is. You’re only asking for trouble there. Your unit is a little older so don’t be surprised if parts are hard to find.

Good luck,

Tom Hawkins
Bethel, Alaska
hawkins111@gci.net

Posted on Mar 07, 2009

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1 Answer

This is regarding my Rinnai gas heater Model 1260 S.When On button is pressed, it burns and glows the plate but when released , Gas stopped and it turns off.


problem is proberly the thermocouple burnt out .FSD
(fail safe device) normally you push the button in and the pilot light or flame is ignited,this flame heats the thermocouple that generates a small voltage that holds the gas valve open.
if the thermocouple is burnt out or not set correctly in the flame or the pilot flame is to small , as you say when you release the button it goes out, looks like you need a new thermocouple.

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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


be sure the thermocouple is in the pilot's flame and hold down the pilot lighting button long enough to heat it before trying to operate the heater...20 to 30 seconds should be enough. If this doesn't work, you may have a bad gas valve

Feb 21, 2015 | Rinnai Heating & Cooling

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Rinnai gas heater not staying ignited


Blocked pilot flame too small or thermocouple needs replacing

May 27, 2012 | Heating & Cooling

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When you say "it won't stay on at all." Do you mean the burner and the pilot flame shut off together or does the pilot remain lit? Is the unit showing any Fault Codes on the LCD display?

Apr 03, 2011 | Rinnai Heating & Cooling

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Hi I have a rinnai flame fire royal model ib35etr It keeps going out and flashes number 12 on the screen we are moving and packed the book


I had this same problem last year and went through all the checklist in poshpoms suggestions ( I am on mains Gas ). The issue was caused by the Flame rods. Near the 2 pilots at the front and the back. Those small rods each that 'senses' the flame become inadequate, so they were replaced with a new pilot assembly from Rinnai that had longer rods and better coverage. Issue was fixed. Good Luck.

Aug 23, 2010 | Heating & Cooling

1 Answer

Pilot light won't ignite on a Rinnai 2000 1


The trick is that it may take a long time for the flammable portion of the gas to reach the pilot light orifice where the flame lives. This happens a lot when the pilot flame has been out for some time. There won't be a clicking sound as YOU are supposed to provide the flame - it's not like a cooking stove with such conveniences, because the pilot light is only an occasional thing to light it's rare to find an ignition source built in. I'd hate to see you spend good money when all you need to apply here is time and a flame.

Sep 06, 2009 | Heating & Cooling

1 Answer

Pilot lights but when ignition pops back up the flame goes out


will either be the unitrol control box or the thermocouple, when you push down you are holding two magnets together and waiting for a small charge to be created from the probe in the flame , if this is not working you have no charge and the magnets won;t stick to allow the valve to open, change the thermo and see if that works first, its way cheaper than a new controler

Nov 25, 2008 | Rinnai Desa Vent-Free Infrared Gas Heater:...

1 Answer

Pilot goes out after heating cycle


Check regulator on the unit.
Check pilot unit on the heater
use soapy water to check for leaks if see bubbles turn off main gas supply valve.
always turn off gas supply before any checks or repairs are made
when all else failes call your local gas provider to check heater and gas supply

Nov 22, 2008 | Rinnai Desa Vent-Free Infrared Gas Heater:...

1 Answer

Have an old Rinnai Gas Heater (approximately 30 years old) still working well, but we had to turn off the gas, and now cannot turn it on again. We have two buttons, one below the other, one is red and...


You are half-way right, to light the pilot, light it and push down the red button and hold it for at ----least2-minutes-- till the flame heats up the pin (thermocouple- which fire-thermocouple metal makes electricity which sends it to the gas valve and says ,OK GAS VALVE,I'VE GOT A PILOT FLAME SO OPEN UP THE MAIN GAS VALVE! See where I'm going with this?

Sep 03, 2008 | Rinnai Heating & Cooling

1 Answer

Wont run


check the flame detector it may be a millivolt generator or a flame rod feeding to an electronic circuit.

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