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I have a Rinnai Galaxy 21 Flued gas heater. I depressed and released the control button but the pilot light and the burner won't shut off. What do I do?

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Had a few of these. The mechanism has become detached inside. Usually seemed to happen if the buttons were depressed with a bit of force. No easy fix I am afraid, really need to be opened up and fixed by a technician.

Posted on Sep 20, 2010

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Posted on Jan 02, 2017

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Without a pilot flame sensor signal the pilot light will not stay on and the heater won't work. Try Replacing the pilot flame sensor, the pilot flame burns on to it and it connects to the valve. It looks like a wire.

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RHFE Rinnai 551FT gas heater is not working after 7 years


see this steps and fix it. God bless you
.
If there is no heat, check the electrical service panel for a burned fuse or tripped breaker. Relight the pilot light (see below).
If there is not enough heat, adjust the burner air shutter (see below); and clean the burner ports (see below).
If the pilot light does not light or does not stay lit, clean the pilot orifice carefully with a toothpick, test the thermocouple and replace it if it is faulty (see below).
If the flame flickers, adjust the pilot (see below).
If there is an exploding sound when the burner ignites, adjust the pilot to a higher setting and clean the pilot orifice and the burner ports.
If the burner takes more than a few seconds to ignite, clean the pilot orifice and adjust the pilot light.
If the burner flame is uneven, clean the burner ports. If the burner flame is very yellow, clean the burner; open vents in the furnace room to provide more air; adjust the burner air shutter.
To light the pilot on a standing-pilot (always on) ignition system, follow the lighting instructions located near the control. Otherwise, try these steps:
Light the pilot:
  1. gasfurnace1.jpg Press and hold the pilot control knob to start the pilot. Set the control knob to the pilot position. Hold a long match under the pilot gas port.
  2. Press the control knob; the pilot should light. Hold the control knob down until the flame is burning brightly (about 30 seconds). Release pressure on the knob, and turn it to the on position.
  3. If the pilot goes out when you release the control knob, try relighting, holding the control knob down longer. If the pilot again goes out, check the thermocouple (below).
Adjust the pilot:
  1. Remove any cap covering the pilot adjusting screw on a combination control.
  2. Turn the adjusting screw counterclockwise to increase the flame or clockwise to decrease it. It is correctly adjusted when the flame envelops the thermocouple bulb by 1/2 inch and appears dark blue with a small yellow tip.
Test and replace a thermocouple:
  1. Hold the control knob to pilot and light the pilot as above.
  2. Unscrew the thermocouple fitting with an open-ended wrench.
  3. Set a multimeter to the DVC (lowest voltage) scale.
  4. Clip one multimeter lead to the end of the thermocouple tube nearest the pilot and the other lead to the fitting on the other end of the tube.
  5. If the multimeter shows a reading besides zero, the thermocouple is functioning. Replace the thermocouple tube.
  6. If there is no reading, you will need to clean or replace the thermocouple following steps 7 through 11.
  7. Release the control knob and shut off the main gas valve on the gas-supply pipe that leads into the burner. Shut off power to the burner at the electrical service panel .
  8. Remove the thermocouple from its mounting bracket.
  9. Wipe the combination control clean and install a new thermocouple, tightening it by hand, then give it a one-quarter turn with a wrench.
  10. Insert the thermocouple into the pilot bracket, being careful to not crimp the tubing.
  11. Turn on power to the furnace and relight the pilot (above).
Adjust an adjustable burner air shutter:
  1. Set the thermostat to its highest setting to keep the burner running. Once the furnace has heated up, remove the burner access panel and loosen the locking screw.
  2. Open the shutter by turning it to the right until the blue base of the flame appears to lift slightly from the burner port surface. Then close the shutter until the flame reseats itself on the surface.
Clean removable burner tubes and ports:
  1. Shut off gas and power to the furnace.
  2. Unscrew or loosen and remove the tubes from the supporting bracket.
  3. Carefully clean the tubes with a brush or vacuum, making sure not to damage the burner ports.
  4. Use a stiff wire to clear any debris from clogged ports.

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Blocked pilot flame too small or thermocouple needs replacing

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Have a Reddy Heater RCP275 propane gas heater. If able to light - the heater will burn for 1-5 min. but then goes out. Sometimes burner will not light at all when the red pilot button is released. At times...


Sounds like the igniter needs to be replaced. It is normal for a heater to run five or so minutes that means the thermostat is working. then restart when the temp calls for heat but if the igniter does not work it will not light up again.

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1 Answer

I have a Rinnai Tropic ventless propane heater. I can light the pilot and turn on the burners. However, when thermostat kicks off the burners...then my pilot goes out and I have to start all over. I...


The thing with these is over the summer months when they are not in use they get dust inside the ODS safety pilot. When that dust gets in there it cuts down on the oxygen inside and the safety simply shuts down because it was designed to do that. What you need to do is flush the pilot and allow it to dry. I use a product caller but you could use shop air or even a soda straw to blow out the pilot. I used to sell these thermocouples for ODS systems and they are not cheap. Most times they do not solve the problem either because the pilot is dusty. A brand new one won't solve your problem and a cheaper thermocouple don't work on these. More HERE


Here is the whole thing for $52 not a bad price
The thermacouple alone for these cost nearly as much by itself.

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1 Answer

Can't get the pilot light to start


Is this the newer style with closed combustion chamber. If so I would check to make sure that spark ignitor is working. If not it will need replaced. If ignitor is workingthen loosen compression nut on line to pilot and temporarily depress button on gas valve to make sure you have gas at that point.If you have gas there and tighten compression nut to pilot back up and it still won't light then you will need to remove screws that hold cover on burner compartment.Shut off valve to gas supply and remove gas line from gas valve remove pilot and thermocouple lines. Slide burner out ofcompartment and clean it .Remove nut from bottom of pilot assembly and clean out pilot orifice. Blow through pilot line to make sure it's all clear
Reassemble everthing using teflon tape or pipe joint compound as needed.Turn gas supply valve on and check for leaks.Set gas valve control to pilot and depress pilot button and hold. While you are holding button done push spark ignitor every few seconds until it lights. thank you and good luck

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1 Answer

How do i light pilot light?


Remove front cover,or just lower section if you can. they usually just need to be lifted up about an inch or so and pulled out. However some have covers that snap in place. After you remove cover locate gas valve. It should have a control knob on top with markings for on, off, and pilot. Set control to pilot. Follow lines from gas valve to burner compartment, one goes to main burner one ,small copper colored line is the thermocouple, other line is the pilot. Turn thermostat down as far as it will go. Make sure gas supply valve in line to heater is on and then depress pilot control , when you have pilot control depressed have a match or other small flame source close to pilot assembly. If it lights then hold down on pilot control for a couple of mins. Slowly release pilot control and if it stays lit turn gas control to on. Turn thermostat up to call for heat and burner should light. If pilot doesn't stay lit when you release pilot control then try again holding pilot down longer. If it still won't stay lit then thermocouple will need replace. Good luck. Thanks

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1 Answer

How do i relight my standing wall heater light, where is it?


There should be a removable panel on the bottom front. Remove this panel and you should see gas valve with two lines going into combustion chamber. The larger of the two will be for burner and the smaller to the pilot light. There may be lighting instructions on the inside of panel,or on front of burner compartment. If not look at gas valve and see if you can see where it is marked off pilot and on. Turn thermostat to lowest setting and gas valve to pilot ,locate pilot light and hold match to it while you depress pilot button . Pilot should light. If it does hold button depressed for 1 to 2 mins. Release pilot button and if pilot stays lit turn valve to on. Turn thermostat up to desired setting and see if burner comes on. If it does you should be done. Put cover back on. If pilot light does not stay lit or burner won't light I Would recommend you call a service tech as there are several things that could be wrong. Hope this helps you.Thanks

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1 Answer

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Check regulator on the unit.
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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

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Is this a new heater or have you had it awhile? If new, yuo may have air in the line that will need to be bled out. The heater has a gas valve with a pilot setting on it. Make sure the gas is turned on. Turn the knob to the pilot setting and depress the handle. Holding it down and at the same time, press down on the red button that sparks. You may have to repeat this a few times. Once the pilot lights, continue to hold down on the pilot knob for about 30 seconds. When uou release the knob, the flame should stay o. If it does not, replace the thermocouple. Once the pilot flame is steady, turn the gas valve knob to on.

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