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I do have a problem with my Rinnai Tankless Heater. I have
I do have a problem with my Rinnai Tankless Heater. I have code 11 showing up on the thermometer electronic dial. That happened few times a day. another few times heater will work with no problem. Tec… read more
WCohn
WCohn
Journeyman Plumber
Journeyman License
2,044 satisfied customers
I have a Rinnai ruc98.tankless water heater, and as of last
Hello, I have a Rinnai ruc98.tankless water heater, and as of last evening, I have no hot water. I did have hot water Monday morning. My gas is on, and the breaker is active. No error codes displayed.… read more
WCohn
WCohn
Journeyman Plumber
Journeyman License
2,044 satisfied customers
I have a Rinnai On Demand Water heater Model # REU 2424 W
I have a Rinnai On Demand Water heater Model # REU 2424 W and need an Flame rod and electrode kit to solve an error code 12, were in my area can I find a parts supplier, FL 34222 … read more
WCohn
WCohn
Journeyman Plumber
Journeyman License
2,044 satisfied customers
We have a Rinnai R85 installed on outside with error code
We have a Rinnai R85 installed on outside with error code 12. Also water is dripping out of cabinet. About 9 years old. Thoughts? Have checked power and cycled on/off with no change … read more
WCohn
WCohn
Journeyman Plumber
Journeyman License
2,044 satisfied customers
When we turn on some of our faucets, the Rinnai Model
Second opinion] When we turn on some of our faucets, the Rinnai Model V2532FFU tankless water heater makes a loud whomping noise that appears to come from too much gas to properly ignite the burner. W… read more
WCohn
WCohn
Journeyman Plumber
Journeyman License
2,044 satisfied customers
I keep getting error code 12. When I tried to clean out the
I keep getting error code 12. When I tried to clean out the exhaust / intake, I found crystalized something (hardened on one side of the hole). How do I clean it out? … read more
WCohn
WCohn
Journeyman Plumber
Journeyman License
2,044 satisfied customers
We have Rinnai R85 and started flashing error code 12..we
we have Rinnai R85 and started flashing error code 12..we had all lines checked, propane tank regulator replaced and the gasket connecting lines replaced ....all worked ok but now error code 10 flashi… read more
WCohn
WCohn
Journeyman Plumber
Journeyman License
2,044 satisfied customers
I have two Rinnai tankless water heaters. The second is to
Hello, I have two Rinnai tankless water heaters. The second is slave to the first. They are continuum model 2532. I am getting error code 12. The main will light for two seconds then the flame goes ou… read more
Mike R.
Mike R.
3,352 satisfied customers
Our Rinnai just started beeping at the thermostat pad. It is
Our Rinnai just started beeping at the thermostat pad. It is set for 120 degrees and as soon as we turn on the shower it starts beeping and the display changes to 12 degrees. What do we need to do to … read more
WCohn
WCohn
Journeyman Plumber
Journeyman License
2,044 satisfied customers
Have had two rinnai water systems in 10 years. latest one is
have had two rinnai water systems in 10 years. latest one is 2 yrs. old. hot water depletes in the master shower and turns cold within a minute or two. new shower valve replaced in control handle, hav… read more
WCohn
WCohn
Journeyman Plumber
Journeyman License
2,044 satisfied customers
OUR GAS rinnai is cutting in and out from hot water to cold.
Hi OUR GAS rinnai is cutting in and out from hot water to cold. This has happened before and you gave me advice...Switch off... unplug ..shut off water...take out filter and clean...replace etc Turn o… read more
WCohn
WCohn
Journeyman Plumber
Journeyman License
2,044 satisfied customers
I want to know if the electrode 556f-510 that was supplied
I want to know if the electrode 556f-510 that was supplied with the gasket retro fix is the same as the one that was replaced, I am getting a error code lo.60.64 which is a sparker failure, and wonder… read more
WCohn
WCohn
Journeyman Plumber
Journeyman License
2,044 satisfied customers
R98 propane indoor heater has run perfectly until today; we
R98 propane indoor heater has run perfectly until today; we have had extremely cold weather the past few days, and the heat quit (Rinnai is on a hybrid system like a radiator as heat exchanger). Error… read more
Mike R.
Mike R.
3,352 satisfied customers
I have a Rinnai E110C unit. The unit is only 9 months old and
I have a Rinnai E110C unit. The unit is only 9 months old and it is throwing error code 3. What does error code 3 for this unti mean and how does one repair it? The unit is providing no heat nor hot w… read more
Mike R.
Mike R.
3,352 satisfied customers
My gas hot water system is not working. I flipped the breakers
My gas hot water system is not working. I flipped the breakers on and off. The temperature setting shows up on the unit.… read more
Theplumber717
Theplumber717
Plumber, Hvac Tech
Vocational, Technical or Trade Scho
656 satisfied customers
I HAVE 2 RINNAI R94LSIN TANKLESS WATER HEATERS AT MY HOUSE.
I HAVE 2 RINNAI R94LSIN TANKLESS WATER HEATERS AT MY HOUSE. THEY WERE INSTALLED OF SEPTEMBER 2008 BY A PLUMBER. I HAVE BEEN HAVING COMPLAINTS FROM THE TENANTS THAT THEY CANT GET ENOUGH OF HOT WATER TO… read more
Rick
Rick
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26,007 satisfied customers
Hi there. Our Rinnai Model 2520 has an 11 and 12 error. The
Hi there. Our Rinnai Model 2520 has an 11 and 12 error. The filter is clean, and our plumber went through all of the troubleshooting tips on the error code sheet and everything checks out, but it's st… read more
Marc
Marc
Plumber
Vocational, Technical or Trade Scho
1,127 satisfied customers
Sometimes it starts, sometimes not. Shows an error Code 12
Sometimes it starts, sometimes not. Shows an error Code 12 when not. Turn on bathroom tubs(either) and washing machine starts everytime. Kitchen faucet, dishwasher or bath lavatory faucets will show C… read more
Marc
Marc
Plumber
Vocational, Technical or Trade Scho
1,127 satisfied customers
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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