Question about Rinnai R85ePLUS Tankless Water Heater

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Have a leak coming from the Rinnai tankless hot water heater R85

Tankless water heater is leaking while running the hot water.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

cballard
  • 18 Answers

SOURCE: Rinnai tankless water heater code 12

12 - Flame Failure or Poor Ground

1. Immediate code 12 is usually a defective gas valve, power supply problem, or defective fan motor wiring harness.

2. If code 12 occurs after a few seconds it indicates that proper operation was established, but then stopped unexpectedly.

3. Verify that fuel is being supplied to the unit.

4. Check for proper electrical ground. Unit must use a grounded power supply.

5. Check for flue blockage on inlet or exhaust.

http://www.foreverhotwater.com/service-codes.php

Posted on Dec 31, 2008

CRTN
  • 716 Answers

SOURCE: No water flow from hot water tap with a rinnai tankless water hea

Its A Possibility The Left Over Water In The Hot Is Frozen. If Your Line Is Exposed Outside Somewhere It Can Easily Freeze Up. Turn On The Hot Water Everywhere In The House And If Accessible Check The Lines To See Where The Warmth Ends. You Can Leave One Off Over Night In Hopes That It Will Eventually Defrost.

Posted on Jan 16, 2009

  • 234 Answers

SOURCE: my r85 rinnai water heater vibrates significantly and makes

Sounds like there is something loose in the line.Like cut off valve,check valve.

Posted on Mar 15, 2009

  • 6 Answers

SOURCE: vinegar flush

You should not have to flush unless the code LC comes up. but here is the flushing diagram.

Posted on Aug 01, 2009

  • 30 Answers

SOURCE: 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.

Posted on Sep 22, 2009

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1 Answer

Rinnai R85 starts to warm then stops and blinks 61??


I went to the Rinnai website and this is what I found for error code 61.
Error Code 61 Problem: Fan failure
Solution: Measure the resistance on the fan motor, check the damaged or loose wiring and connections. Make sure that the fan spins freely.
Sounds like either your fan is broken or something is keeping it from spinning freely.
Hope this helps.
Gary

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1 Answer

R85 tankless water heater


Probably frozen. Let it thaw out and see if it works. You may want to think about wrapping the pipes with heat tape because of those low tempertures they could break especially if the unit is outside.

Good luck,

Marty

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Single-handle faucet cartridge that leaks can cause tankless not to function. Check for crossover or cross connection:
http://waterheatertimer.org/Crossover.html
Cut losses from owning tankless computer that heats water. Go to Lowes and buy new tank-type gas water heater for $390 and have hot water right quick with less maintenance and own a product that homeowner can repair themselves.
http://waterheatertimer.org/How-to-install-gas-water-heater.html
Otherwise call service technician who is qualified to work on tankless computer.
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I just fixed a leaky R85. Fortunately it's the bypass valve, not the heat exchanger. Did your heater freeze up in this snow storm? Unplug the power, open the cover and see where it leaks. If water comes from the top, means crack on the heat exchanger, then it would be too costly to replace. If you can see the water gushing out of a valve, on the bottom of the heater, then it's an easy fix. The valve is fixable, you don't have to replace it. But still need to find out what causes the flame fail (error 12). I suspect the igniter got wet, dry it with a towel after you take out the valve. Removing the fan first will give you more room to work inside.

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2 Answers

My r85 rinnai water heater vibrates significantly and makes


Sounds like there is something loose in the line.Like cut off valve,check valve.

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3 Answers

No water flow from hot water tap with a rinnai tankless water hea


Its A Possibility The Left Over Water In The Hot Is Frozen. If Your Line Is Exposed Outside Somewhere It Can Easily Freeze Up. Turn On The Hot Water Everywhere In The House And If Accessible Check The Lines To See Where The Warmth Ends. You Can Leave One Off Over Night In Hopes That It Will Eventually Defrost.

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