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Gas heater shuts off after about 3minutes and have clean filter rinnai rce-329h gas heater

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I have a problem with what you are asking,, the numbers you have are for a fan convection ROOM heater,, does the fan come on within this 3 minutes of running, if not it could be over heating and shutting down on a safety, if it does the thermostat could be bad and it is reaching the desired temp and shutting off like it shoud,, check the thermostat to make sure it is working properly,, set it at it's lowest temp turn on the unit have a themometer infront of the air flow see if the temp is the same as the setting,, how old is this unit, it may just be time to change with new,, if the controls are bad this unit sells for about 600 and to replace these parts is about 400, go to there web site,, write back and let me know how it goes,, good luck

Posted on Jun 23, 2009

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1 Answer

How do I clean inside my rinnai convector 417?


The owner's manual at http://rinnai.co.nz/tradesmart/upload/files/productfile/portable_convector_rce417_operation_and_installation.pdf on page 10 says to vacuum both filters weekly. It also warns not to wait for the filter lamp to come on since overheating may occur.

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Rinnai Trouble Shooting


Clean water filter.
Delime heat exchanger.
http://waterheatertimer.org/How-to-delime-tankless-water-heater.html
Add tempering tank to preheat cold incoming water.
http://waterheatertimer.org/Tempering-tank.html
Check for bad single-handled faucet cartridges.
http://waterheatertimer.org/Crossover.html
Don't install multi-sensor computer-chip water heater to water lines and gas line and vent pipe since tankless will develop unsolvable problems.
Contact Rinnai and hear them tell you to call service technician, only to discover there are no qualified service technicians in your area who might be able to solve problem. 1-800-621-9419
Ask why the Rainnai site has much promotional information and no service manuals. Nor does Rinnai offer forum where tankless owners can freely exchange their endless unsolvable problems for all to see.

May 16, 2013 | Rinnai Tankless Water Heater R94lsi W/...

1 Answer

I have had my Rinnai tankless for about 8 years without problems. Recently I am noticing that the water temperature is fluctuating from the set temperature to a cooler temp and then back up to the set...


The Rinnai will shut off it can't maintain the temperature you have set to within +/- 3 degs so I'd guess that might be the problem. The cause can be a few options. Check water flow first; any filters you have in tapware, main water flow etc. get cleaned. The Rinnai has a water line filter in the incoming supply, middle pipe under the heater just after the isolating valve. Gas supply could be the other option mainly being a possible intermittent fault in the gas regulator. Hard to check this one short of just changing it. Final option is some sort of electronic malfunction, pretty rare. I'd start with the water flow issue as you can do this yourself. Checking the gas will need a good technician with digital gas pressure guage to check incoming and working gas pressures; it might just need to be recalibrated. Just hasd a thought about the heat exchanger being scaled up if you are in an arera where water scale is a problem but this would normally take far less than 8 years to be a problem. Sorry can't be of more help; hard when it might be a few different causes.

May 28, 2011 | Rinnai Water Heaters

1 Answer

I have a Rinnai REU 55ft, which ignites but won't stay lit. We've cleaned the filters, fiddled with the dials and ensured that the batteries and propane are good. Any thoughts?


Hello,
In these water heaters there is a part called a "flame sensor", if you can read the wiring diagram/schematic spend some time trying to find where it is at; it will be located directly in the burner compartment. It senses that the gas is lit and there is flame, if it does not then it will shut the gas off almost within 3 seconds.
Solution- Turn off the power to the unit completely and take the flame sensor out and clean it with a 000 steel wool pad. These flame sensors develop carbon from the gas and then stop reading properly. You can test the measurement if you had an electrical meter (uA is how it would be listed on your meter- most basic meters have this function).
Let me know if this works, if not I have another solution you could try (I'm pretty sure this will do the trick though) James

Jan 17, 2011 | Rinnai Water Heaters

1 Answer

I have a Rinnai Continuum Model 2532 natural gas tankless water heater in my home. It takes about 45 - 60 seconds for the water to get hot at the faucet which is closes to the heater. This thing is...


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1 Answer

My Rinnai is only 3 years old and just recently it has been running out of hot water for 10 to 15 minutes long intervals. We have well water and I am wondering if that has something to do with it. Kind of...


The Rinnai relys on good water flow to fire it up. In saying that it runs out of water; thats actually not possible. The Rinnai just heats up water as it goes. Usually faults for installs on bore or well water is a problem with water flow. Causes are blocked filters or your water pump from the bore starting to fail. I would expect you to have a large filter somewhere on the water line from the well. Try and find it and clean it out. The Rinnai also has a filter. Its like a plastic round shaped nut just under the heater on the middle connection. Turn the water off first, it should almost unscrew by hand, take it out and clean it (make sure you don't drop the O ring on it). Also some tapware have water filters right in the end of the spout, check these too. After you tried all this focus on the pump. Make sure no ther water is flowing, try the hot tap and see if it works. Do the same but slowly turn on a cold tap, slowly increasing the flow. Have someone out by the heater and see if the heater shuts down at any point. If it does it could be the water pump at fault. From what you have told me and I am certain water flow is the culprit here. Really focus on anything that might lessen the flow before you start messing with the heater. Best of luck.

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1 Answer

Code 11 water heater comes on for short period and shuts off


this is a tricky one, it means no ignition,which could just be a dirty flame sensor, low gas pressure, or no spark to ignite the burner. sorry but this one requires a rinnai trained service man

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I have a Rinnai system. Good cold water pressure, little hot.


What type of pipes are install on this heater?

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2 Answers

Rinnai r94lsi comes on 5 sec. then off


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Jan 04, 2009 | Rinnai Webstone The isolator EXP tankless...

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