Question about Rinnai Water Heaters
I shut my heater off and it comes back on once in a while and runs blowing heat for about a minute. is that normal
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Posted on Jan 02, 2017
is installed in a vertical up flow or horizontal position , if in horz position you could have a bad or miss positioned roll out switch this is a thermal switch positioned toward the burner edge that if the flame rolls out of burner area trips and then resets as it cools allowing the furnace to re-start until it reaches temperature , something to check .
Posted on Dec 09, 2008
SOURCE: heater stops heating water
you have to much volume of water going thru the unit, did you size it properly by haow many baths and showers you have or did you just by the cheapest one,, there is a scale to go by run just one shower and see if it changes temp, with nothing else running,, a shower has 2.5 to 4.5 gal per min,, then you can also check to make sure it has the right size gas line 3/4 from the meter to the unit is required at a min of 2lbs of gas
Posted on Jun 21, 2009
C8 is the last stop in the point of burner ignition and a total of eight error codes. Error code 12 is a supplemental code that means your LP gas supply is too low...have your LP tank service and try again.
Posted on Dec 06, 2009
You may have a control board issue, there is no sensor that is IN the water tank your thermostat controller are exterior to the tank under the black foam looking piece which I think is where your trouble lies
Posted on Mar 05, 2010
your unit is undersized or you do not have enough gas supply to run the unit properly.
If you have to many water features running or you have to many gas items turn on at the same time it can cause problems.
Posted on Apr 11, 2010
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