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Our rinnai tankless water heater doesn't appear to warm up
our rinnai tankless water heater doesn't appear to warm up the water. … read more
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i have a Rinnai RL94i tankless water heater. I'm in Texas and we just went through a winter storm. I can't get water to run through the unit. Is it broken? … read more
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I live in TX and experienced some of the freezes and power
I live in TX and experienced some of the freezes and power outages last week. I noticed dark/wet spotty stains on the bottom 1/2 of a wall in my garage this morning (after the thaw), and traced possib… read more
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Rinnai RL94 was under 28 degrees F for two nights without
Rinnai RL94 was under 28 degrees F for two nights without power. Three days later we get some hot water but very low pressure. Some small green debris in the first rounds of hot water. We've owned thi… read more
J Peart
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Both of my RL94's froze and burst. Water is coming from the
Both of my RL94's froze and burst. Water is coming from the top of the unit. Can I get a heat exchange unit for this model? Serial # is REU-VC2837WD-US LPG JG. CA-093334 , the other is REU-VC2837WD-US… read more
WCohn
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It shows on on the panel but won't heat any water. Rinnai.
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Our rinnai tankless water heater appears to have drained all
our rinnai tankless water heater appears to have drained all of the water in it. I am not sure if the water pipes are frozen in the attic. How can i get water to fill the tank? … read more
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I have a rinnai tankless water heater that is now beeping
I have a rinnai tankless water heater that is now beeping and not sending out any hot water … read more
SeanT1117
SeanT1117
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We have a tankless water heater. 2 actually. One seems to be
We have a tankless water heater. 2 actually. One seems to be working normally, however, with the other I am getting no water flow at all when the hot water tap is turned on. We are in the single digit… read more
SeanT1117
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Follow Up] I have a Rinnai RL94 showing code 10. About 5
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WCohn
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Rinnai water heater over heating. 2012 and it's natural gas.
2012 and it's natural gas. It's throwing a code 14 which is overheating. There is some discoloration on the right side of the heat exchanger right where the cold water intake is. … read more
qwasert
qwasert
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Vocational, Technical or Trade Scho
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My water heater has begun to groan when demand is placed on
My water heater has begun to groan when demand is placed on the system. … read more
Brian Weeks
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Our externally mounted RL94 Rinnai - which was installed
Our externally mounted RL94 Rinnai - which was installed only last year - has frozen up due to 15 degree weather. What do we do now? We are in Texas and weather should warm up tomorrow or later today … read more
Rick
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I have a rinnai tankless water heater (RL94) we installed a
I have a rinnai tankless water heater (RL94) we installed a couple months ago. Intermittently, the unit turns itself off. We unplug the unit and plug it back in and it works fine until it turns itself… read more
WCohn
WCohn
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Journeyman License
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My rl94 went off in the middle of showering last night and
My rl94 went off in the middle of showering last night and will not come back on. Does it have a reset button?… read more
Rick
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We have a propane Rinnai RL94, installed almost one year
We have a propane Rinnai RL94, installed almost one year ago. The pressure relief valve started leaking and failed completely in the 11th month. Rinnai was great and covered the labor and part under w… read more
Rick
Rick
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34,834 satisfied customers
Need help with Rinnai RL94 water heater troubleshooting.
Rinnai RL94 tankless water heater, brand new, stopped working, beeping continuously with an error code 79. It happened after a big rain last night and during the storm. I pulled out the drain filter a… read more
BillyHvac
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Meet the Experts:

Jerry

Jerry

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Brian

Brian

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Steve

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I have over 35 years in the plumbing industry. I have experience in plumbing repair, remodeling, as well as new construction.

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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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