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We have rinnai gas hot water system. no hot water flow at
we have rinnai gas hot water system. no hot water flow at all ? … read more
canuck the pro
canuck the pro
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It shows on on the panel but won't heat any water. Rinnai.
Checking breakers. Looking at front panel of water heater. Running all faucets on this unit. We are in Texas and had rolling blackouts but no natural gas interruptions. Pipes froze up so no water flow 2 or 3 nights. It was working yesterday though and no frozen pipes since yhen … read more
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WCohn
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I'm in Dallas and the weather has been below freezing. I
I'm in Dallas and the weather has been below freezing. I have my cold water to run with low pressure but no hot water. Not sure if the the unit can freeze. The Priority light is on but the in use ligh… read more
WCohn
WCohn
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I have a Rennai tankless water heater. mounted outdoors and
I have a Rennai tankless water heater. mounted outdoors and this week unusual outdoor temperatures in single digits. Power was out for 15 hours and when power came back on we have no hot water. suspec… read more
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NamxD
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rinnai 2520 tankless water heater. no pilot light visible in the window. … read more
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Only lukewarm water. No hot water with our 8 yr old Rinnai,
Only lukewarm water. No hot water with our 8 yr old Rinnai … read more
canuck the pro
canuck the pro
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My rinnai tankless outdoor heater is probably frozen...the
my rinnai tankless outdoor heater is probably frozen...the breaker was off and I reset it...nothing is happening...no hot water. … read more
WCohn
WCohn
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I have two Rinnai tankless water heaters (RL94e). One on the
I have two Rinnai tankless water heaters (RL94e). One on the North side of the house and one on the South side. We live in Mobile, AL and freezing is typically no problem; however, the recent freezing… read more
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We had a cold snap in VA last night. my Rinnai RL75 outdoor
hello we had a cold snap in VA last night . my Rinnai RL75 outdoor h/w pressure is low at the faucet. I have placed a heat gun inside the unit being careful with it . the unit has a thermal insulating… read more
WCohn
WCohn
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I have a gas tankless water heater and I am having low hot
I have a gas tankless water heater and I am having low hot water pressure. I have cleaned the inline filter and flushed the heater. Its working fine other than the low pressure. Any ideas … read more
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I turned the taps off to my Rinnai infinity 24 gas heater
Hi I turned the taps off to my Rinnai infinity 24 gas heater so I could change a tap in my house. After installing the tap, I turned the taps back on to my Rinnai but it isn't working. I have checked … read more
canuck the pro
canuck the pro
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Last night, a plumber installed a Rinnai Ru98i in our basement.
Last night, a plumber installed a Rinnai Ru98i in our basement. Today, though, we can only get about two minutes of hot water in the shower before it goes ice cold. Nothing else is running in the hous… read more
Rick
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My shower/tub worked fine yesterday morning but today I get no water.
My shower/tub worked fine yesterday morning but today I get no water. All other faucets in house work as well as the toilets.… read more
Theplumber717
Theplumber717
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Vocational, Technical or Trade Scho
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Hi. We had a hard freeze last night. My rinnai put out only
Hi. We had a hard freeze last night. My rinnai put out only a trickle of cold water this a.m. when I turned on the hot water; I ran it for 20 minutes without an increase in temp or volume. What do you… read more
Phil
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My shower starts out hot but then after 4-5 minutes goes cold,
My shower starts out hot but then after 4-5 minutes goes cold, then 4-5 minutes later gets hot again. Had this problem 4 years ago and I put in a new shower head and it worked. Now it is back. It does… read more
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I cannot get any hot water out of any tap this morning. The
I cannot get any hot water out of any tap this morning. The area had a freeze (at 19 degrees) last night, but the manual says the Rinnai has a built in freeze protection up to -30 degrees. I don't see… read more
Jerry
Jerry
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High School or GED
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Hello! This morning we woke up with no hot water from our
Hello! This morning we woke up with no hot water from our upstairs taps (sinks & shower/tubs). It has been very cold the last couple of days- down to -1 F at night. Is it possible our pipes and/or val… read more
Jim Hamilton
Jim Hamilton
High School or GED
246 satisfied customers
Rinna Tankless water heater R94LSI Model... I set the Hot water
Rinna Tankless water heater R94LSI Model... I set the Hot water at 140 degrees when any hot water side fixture is opened be it bathroom, kitchen or showerhead the water bleeds the cold then only becom… read more
Glenn
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Meet the Experts:

Jerry

Jerry

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Bud

Bud

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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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