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I needs have a rinnai hot water heater it needs part no.ceo2 heat exchanger where can i buy one

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All parts for Rinnai Heaters and Tankless Water Heaters must be purchased from Rinnai authorized dealers. To find one closest to you go to http://www.rinnai.us/ and click on find a dealer tab in the top red banner..

Posted on Mar 20, 2011

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Posted on Jan 02, 2017

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I have a wall mounted tankless water heater for


It's scaled
Do you have a softener? Water must be 15 GRS/PPM or less in iron and calcium. Hot spots in unit are boiling water and are causing the noises.
Descale and flush unit following Rinnai Specs and check water hardness for compliance with Rinnai standards because too hard an inlet water will VOID the Heat Exchanger Warranty (10 year).

Oct 19, 2014 | Water Heaters

1 Answer

Why is my Rinnai Infinity 20 leaking?


Hole in heat exchanger caused by improper condensate drain?
Read installation manual, call service technician.
http://waterheatertimer.org/pdf/Rinnai-Tankless-Troubleshooting-Manual-2012.pdf

Replace with tank type heater.
http://waterheatertimer.org/How-to-install-gas-water-heater.html

Gene

Oct 01, 2014 | Rinnai Water Heaters

1 Answer

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

My rinnai on demand hot water heater sometimes makes rummbling noise when firing


It might need cleanning of exaust fan.or system flush of heat exchanger

Mar 05, 2013 | Rinnai Water Heaters

1 Answer

I have a Rinnai Tankless Water Heater that will turn to cold water 10-15 minutes into a shower. The explanation has been that the water pressure on the hot water has to be so many Gallons per minute, but...


Bad PC board.
Bad sensor.
Don't buy a tankless because the problems can be endless.

Before blaming the tankless however.
Perform the yearly required maintenance on burner
Delime the unit.
http://waterheatertimer.org/pdf/Bosch_Descaling-heat-exchanger.pdf

Remove and clean aerators, replace low-flow shower heads with large water-wasting shower heads.

IMPORTANT check all your single-handle faucets for crossover.
Water getting cool after 15 minutes could be bad cartridge on another faucet.
http://waterheatertimer.org/Crossover.html
http://waterheatertimer.org/pdf/No-Error-Code.pdf

Oct 24, 2012 | Rinnai Webstone The isolator EXP tankless...

1 Answer

My Rinnai is set to 50 but when I run the water no hot water comes. Instead after about 10 seconds the 50 changes to a flashing 61. As soon as I turn the water flow off it reverts to 50.


This is a fault code telling you there is a problem. In this case 61 is a fault on the fan. It's not spinning at the speed expected for the electrical power it's drawing; the heater monitors this. Checks you can do are make sure the flue is not blocked. If Ok you need to get a serviceman to check the fan and heat exchanger for blockages.

Sep 22, 2010 | Rinnai Digital Remote Water Heater Control...

1 Answer

I have a problem with my Rinnai hot water heater giving me intermitant hot and cold. The water gets hot and I get in the shower. A few minutes later the hot water stops and I have to shut of the hot water...


We had the same problem - the hot water would only be hot for 3 -5 minutes and shut off, then we had to turn the water off, wait a few minutes, and do it again. VERY FRUSTRATING.

Solution: The Rinnai serviceman showed me the heat-exchanger blower/fan: It was clogged with dust and moths.

Another clue: Our Rinnai was extremely noisy when the heat came on. After the fan was cleaned and replaced, it is nearly silent.

If you are reasonably mechanically inclined:
TURN THE BREAKER / POWER OFF to the unit.

The blower-fan is located in the lower central area of the unit (at least on our unit). If you draw imaginary north-south, east-west lines through the center of the unit, the fan is in the lower-left quadrant. There is a spring clamp securing the black rubber accordian-like tube to the fan. There are two screws that secure the fan to the unit. there are two plugs that connect to the fan, as well as a third air-flow sensor that should be removed. then you can look at the fan unit, as well as the grill on the underside of the heat-exchanger that should be cleaned.

My thought was to go out and get a simple bug-screen, and place it over the air-input outlet vent going outside, but the repair guy said that although it may sound good, if that screen ever gets clogged, or reduces airflow to the Rinnai, then the unit will work harder, or even shut off, giving the same problem.

May 24, 2010 | Rinnai Webstone The isolator EXP tankless...

1 Answer

Rinnai tankless water heater


LC is the error code that you get when you have limescale buildup in the heat exchanger. You need to flush your heat exchanger. If you have the manual for your water heater, use it. The manual to mine is attached. The procedure for flushing it is covered on page 12. I suggest that you have a certified Rinnai plumber perform this task as it requires a ciruclating pump and some hoses that you need to connect to your water heater. If you don't perform this task, it is possible that you will need to replace your heat exchanger and this is not something covered by Rinnai's warranty.

Sep 21, 2009 | Rinnai Webstone The isolator EXP tankless...

1 Answer

Rinnai gas water heater wont heat the water hot enough even though we have turned the thermostat up to 185.


your temp control is bad and you will have to have a tech to service the unit, contact rinnai and they will give you info on a quilified repair person,, not just any one should be allowed to work on it,, depending on the age it may still be under warranty,, they come with 5 year parts 1 year labor 12 years on heat exchanger this is on all rinnai units

Feb 18, 2009 | Rinnai Desa Vent-Free Infrared Gas Heater:...

6 Answers

Rinnai infinity hot water service, goes hot and cold...not fun in the shower!


We had the same problem - the hot water would only be hot for 3 -5 minutes and shut off, then we had to turn the water off, wait a few minutes, and do it again. VERY FRUSTRATING.

Solution: The Rinnai serviceman showed me the heat-exchanger blower/fan: It was clogged with dust and moths.

Another clue: Our Rinnai was extremely noisy when the heat came on. After the fan was cleaned and replaced, it is nearly silent.

If you are reasonably machanically inclined:
TURN THE BREAKER / POWER OFF to the unit.

The blower-fan is located in the lower central area of the unit (at least on our unit). If you draw imaginary north-south, east-west lines through the center of the unit, the fan is in the lower-left quadrant. There is a spring clamp securing the black rubber accordian-like tube to the fan. There are two screws that secure the fan to the unit. there are two plugs that connect to the fan, as well as a third air-flow sensor that should be removed. then you can look at the fan unit, as well as the grill on the underside of the heat-exchanger that should be cleaned.

My thought was to go out and get a simple bug-screen, and place it over the air-input outlet vent going outside, but the repair guy said that although it may sound good, if that screen ever gets clogged, or reduces airflow to the Rinnai, then the unit will work harder, or even shut off, giving the same problem,

Oct 20, 2008 | Bosch 2400ES LP AquaStar 6.4 GPM Indoor...

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