Digital Remote Water Heater Control Mcc-45-4us - User Guides | Support | Fine

Digital Remote Water Heater Control Mcc-45-4us Owners Manuals, User Guides, Instructional Help Documents & Information.

Featured Questions

Preliminary list of posts to be most interested community
Hi, our plumber has hooked up a new infinity xr-26 but the existing remotes don't work. He says it's a simple 2 wire connection but ther's no cirrcuit
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Rinnai tankless water heater. gas will not ignite automatically . have to bleed gas screw on heater every time
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Rinnai *85e remote hooked up no hot water and no reading on remot
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INSTANT HOT WATER ISN'T HOT ENOUGH
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I have replaced the batteries on the controller, but cannot reset the temperature. The screen shows either -1 or -0. How do I reset it after replacing the batteries?
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I NEED AN INSTRUCTION MANUAL FOR MY RINNAI BATH CONTROL PANEL MODEL BC-70-ZA. IS IT POSSIBLE TO DOWNLOAD ONE? THANKS FOR ANY HELP. CORNELIA
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My r85 rinnai water heater vibrates significantly and makes
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Rinnai Infinity 26 hot water system set to 55 degrees with remote temp adjuster. Water only luke warm for showers. Burnner working, water & gas pressure ok. Any thoughts ... Stephen
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Our tanks are getting low but not empty. The hot water is running for about 20 seconds then going cold. We cant shower properly. Thankyou
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Should both the blue and red valves be in the open position
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What does a "12" on my 96-140 F Degree Control mean?
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I have a Rinnai Model 2532 with an MC-45-4US and BC-45-4US control units. I finished another bathroom and want to add a controller, but have been told that a compatible BSC-45-4US is no longer made. Is there a newer controller model that will work with the older control units? Rinnai customer supoport was no help at [email protected]! Thanks, Ken
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Latest Questions

Latest posts in community
Hi, our plumber has hooked up a new infinity xr-26 but the existing remotes don't work. He says it's a simple 2 wire connection but ther's no cirrcuit
Answer
Our tanks are getting low but not empty. The hot water is running for about 20 seconds then going cold. We cant shower properly. Thankyou
Answer
I have a Rinnai MC-45 US. One morning, we had no hot water & the temp on the control panel read 12. So I pushed the Priority button. We now have hot water, but the priority button is still lit. It has been on for days. Is there a problem with the unit? Why would the light be on?
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Two Rinnai's in series, large house, using circulater with electric pump connected to 2 gallon electric water heater. Problem is the Rinnai's seem to be firing almost constantly, apparently due to some 'draw' being performed by the circulating pump, even when no hot demand is being used in the entire house. If circulator pump turned off, the Rinnai's only fire up when faucet open, as expected. Concern is huge waste of gas
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I have replaced the batteries on the controller, but cannot reset the temperature. The screen shows either -1 or -0. How do I reset it after replacing the batteries?
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I want to upgade from my old water tank to a tankless water system. I have underfloor heating and it has 4 zones but i run it as one zone and it is controlled from a therm ostat that controlls a pump.I would like a detailed diagram of the installation
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Rinnai tankless water heater. gas will not ignite automatically . have to bleed gas screw on heater every time
Answer
Should both the blue and red valves be in the open position
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Want to change water faucets
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Rinnai Infinity 26 hot water system set to 55 degrees with remote temp adjuster. Water only luke warm for showers. Burnner working, water & gas pressure ok. Any thoughts ... Stephen
Answer
INSTANT HOT WATER ISN'T HOT ENOUGH
Answer
My r85 rinnai water heater vibrates significantly and makes
Answer
What does a "12" on my 96-140 F Degree Control mean?
Answer
Rinnai *85e remote hooked up no hot water and no reading on remot
Answer
Loud noises Our Rinnai Infinity 26 will be working fine, then suddenly start making loud noises in the middle of showering - they sound like high pitched scraping noises, like the music from the movie Psycho - you know, EEE EEE EEE. Turning the hot water tap up or down a little stops them. I called a plumber but naturally it wouldn't make the noises whilst he was here. It will make these noises almost every time we shower, then nothing for months, then they are back again. Even our neighbours are complaining. Any ideas?
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I NEED AN INSTRUCTION MANUAL FOR MY RINNAI BATH CONTROL PANEL MODEL BC-70-ZA. IS IT POSSIBLE TO DOWNLOAD ONE? THANKS FOR ANY HELP. CORNELIA
Answer
I have a Rinnai Model 2532 with an MC-45-4US and BC-45-4US control units. I finished another bathroom and want to add a controller, but have been told that a compatible BSC-45-4US is no longer made. Is there a newer controller model that will work with the older control units? Rinnai customer supoport was no help at [email protected]! Thanks, Ken
Answer

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