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It seems that my water heater is heating the water, but
It seems that my water heater is heating the water, but apparently the Rinnai sends the water through the house and I can only get cold water … read more
Rick
Rick
Supervisor
31,904 satisfied customers
I have a Rinnai exterior gas water heater. It is set to 130
I have a Rinnai exterior gas water heater. It is set to 130 degrees. That used to be more than enough but now I run the hot water in the shower full open on hot and it's not nearly as hot as it once w… read more
WCohn
WCohn
Journeyman Plumber
Journeyman License
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We have a rinnai tankless water heater & hydronic air
we have a rinnai tankless water heater & hydronic air handler. At times the water in the shower is only lookwarm. We think it may be when it calls for heat in the air handler. We were told it could be… read more
Rick
Rick
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31,904 satisfied customers
Can you give me answer on Tankless Water Heater Rinnai
Hello. Can you give me answer on Tankless Water Heater Rinnai RL94iN? … 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 7 year old Rinnai tankless water heater and
I have a 7 year old Rinnai tankless water heater and recently the hot water while it is running turns cold for sever minutes. I cleaned out the filter but that didn't help. I was told that it could co… read more
WCohn
WCohn
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3,705 satisfied customers
I have had a Rinnai tankless water heater in our store 1/2
I have had a Rinnai tankless water heater in our store for 3 1/2 yrs it is now taking 30scs to get hot water at the kitchen sink and about a minute to get to the hand and bathroom sinks… read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
11,567 satisfied customers
Quick question... We have a rinnai tankless hot water heater
Quick question... We have a rinnai tankless hot water heater that runs on propane. We recently flushed the system with vinegar thru the lines and we also cleaned the small filter on the bottom of the … read more
Tyler Redinger
Tyler Redinger
Vocational, Technical or Trade School
7 satisfied customers
I am a geothermal heat pump contractor. Most of our
I am a geothermal heat pump contractor. Most of our installations, as you are probably aware, include a device called a desuperheater or hot water generator that allows the geo heat pump to provide fr… read more
Rick
Rick
Supervisor
31,904 satisfied customers
Rinnai V1200 water heater with Smartstart and a MC 910
Rinnai V1200 water heater with Smartstart and a MC 910 controller. Water temp increases and then heater turns off. Error Code 10 on controller. Appears that temp rises and overtemp switch cuts unit ou… read more
Jed Noble
Jed Noble
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2 of my 3 "doorbells" stopped initiating the Rinnai. I have
2 of my 3 "doorbells" stopped initiating the Rinnai. I have replaced the batteries and it has not helped as I had hoped. The unit is 2 years old. Ideas or suggestions. Thanks Michael… read more
Rick
Rick
Supervisor
31,904 satisfied customers
Have a Rinnai unit, Just had the coil cleaned. Get hot water
have a Rinnai unit, Just had the coil cleaned. Get hot water for about 2 mins then it turns cold and doesn't catch up. Only happens on the showers… read more
Marc
Marc
Plumber
Vocational, Technical or Trade Scho
1,127 satisfied customers
we just had a rinnai installed in our home. Question: when
we just had a rinnai installed in our home. Question: when I draw a bath (the master bath is directly above where the rinnai is installed in the garage), the hot water temperature only gets to 97 degr… read more
Rick
Rick
Supervisor
31,904 satisfied customers
I have a Rinnai Tankless Water Heater RU80i, installed May,
I have a Rinnai Tankless Water Heater RU80i, installed May, 2012. My water heater works well (when it works) but I have a recurring problem with ignition, i.e., the heater won't turn on (Diagnostic Co… read more
canuck the pro
canuck the pro
6,941 satisfied customers
My Rinnai tankless water heater flashes 10 and the water
My Rinnai tankless water heater flashes '10' and the water goes cold during use when it is very windy outside. At first I thought the exhaust/intake was blocked, and I had our plumber install the corr… read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
11,567 satisfied customers
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
Rick
Rick
Supervisor
31,904 satisfied customers
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
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
11,567 satisfied customers
Hello, Our hot water system starts off at a good temp the
Hello, Our hot water system starts off at a good temp the after running for a few minutes it goes completely cold, then turning off cold tap wait for the hot water the it goes cold again. please tell … read more
Charles
Charles
Owner
FCC Communication License
1,458 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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