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Below freezing here for several days. Today there's no hot
Below freezing here for several days. Today there's no hot water, except for a dribble - in all faucets. Cold water runs fine. My Rinnai is an outside wall mounted unit. What to do? … read more
WCohn
WCohn
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1,983 satisfied customers
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Rinnai Tankless hot water heater. Cervical large apartment building. Never had a problem with it for several years but now it seems to run intermittently people forget about a bit of hot water and the… read more
WCohn
WCohn
Journeyman Plumber
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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 no hot water pressure or hot water even with my
I have no hot water pressure or hot water even with my rinnai set at 120. It's been cold here but the cold water runs fine.... … read more
WCohn
WCohn
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My tankless water heater is not heating the water this
My tankless water heater is not heating the water this morning. The outside temp is -2 so does that effect the heater? The normal temp on the display is usually 120 degrees but when the water is runni… read more
Brian Weeks
Brian Weeks
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I installed a pressure reducing valve set at 50 PSI on the
I installed a pressure reducing valve set at 50 PSI on the incoming cold water line that feeds my hot water heater to bring the incoming water pressure down to the recommended PSI range for the water … read more
WCohn
WCohn
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1,983 satisfied customers
Rinnai R53 in home that had very hard water (untreated for
Rinnai R53 in home that had very hard water (untreated for some time). Now softened water and tank flushed w vinegar for 24 hours. Still tepid HW output. I'm thinking the hard water deposits still exi… read more
WCohn
WCohn
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The water temp on my Rinnai tank less does not stay constant
The water temp on my Rinnai tank less does not stay constant but fluctuates from hot to warm to cool and backto hot. What could be wrong? … read more
WCohn
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I need to repair/replace a faucet on my ground floor
I need to repair/replace a faucet on my ground floor bathroom sink. This house (built 1950) has a hodge-podge of original steel & copper water piping. Other than the cutoffs to the outside faucets, th… read more
Rick
Rick
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Our Rinnai R94LS has always provided hot water shortly after
Our Rinnai R94LS has always provided hot water shortly after turning on the tap. That has changed recently as we now have to wait quite a while for the hot water to start. Additionally, once the hot w… read more
WCohn
WCohn
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I have a Rheem Model #: RHEPR052-2-A. I am trying to drain
Hello, I have a Rheem Model #: RHEPR052-2-A. I am trying to drain the water out of the tank. I attached a garden hose at the bottom and can't find or figure out where or which valve I need to open to … read more
Rick
Rick
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We have a Rinnai and the cold water runs, but when the faucet
We have a Rinnai and the cold water runs, but when the faucet is turned to hot, it will not. Anything we can do?… read more
Rick
Rick
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19 degrees here. Cold water flows throughout the house and
19 degrees here. Cold water flows throughout the house and outside faucets. we check all insulation. NO HOT WATER FLOW THRU THE RINNAI to any faucet in the house. All Cold lines work. Traced cold feed… read more
Rick
Rick
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How do I identify and order a Rinnai water flow sensor?
I have a Rinnai Tankless Water Heater RU80i. The diagram that came with my unit shows Dip Switch settings for RU80i/LPG. However, the illustration provided for the Water Flow Sensor Assembly does not … read more
Mike R.
Mike R.
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We had a R1nnai water heater installed last May. After 12
We had a R1nnai water heater installed last May. After 12 months of electric bill approx 100 dollars more than usual we had an electrician come in to see where the power was going. It was the storage … read more
Phil
Phil
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Degree, Mech Engr Technology
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Hi, I just moved in one week ago to a home with a rinnai water
Hi, I just moved in one week ago to a home with a rinnai water heater in North Carolina. This morning there is no hot water, the cold works, just no hot water. It worked fine yesterday, and it was a c… read more
Wes
Wes
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Associate Degree
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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
Glenn
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Associate Degree
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The cold water faucet doesnot work in the laundry room. How can I fix it
The hot water faucet is o.k. (supplied by different hose). There is a valve on each pipe to cut the water supply. The faucets were checked yesterday and they seem to be fine. It has been very cold for… read more
Curtis
Curtis
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