Question about Heating & Cooling
Could be a number of things
Sounds like it the gas valve. If the gas Valve isn't opening or is burnt out then no gas will flow through it.
Also it the pilot is blocked then you wont get and gas coming through to light it up.
I am forever replacing gas valves on the buffalo series units and have found this to be quite a common problem on older units.
Posted on Aug 21, 2008
SOURCE: I'm working on a Payne
pull the fuses and check voltage line to line with the fuses out you should have 208 to 240 volts if you have 50 or so volts try line to ground if you have 120 on one leg it will back feed with the fuses in,because of the windings involved. in any case you are missing one leg somewhere to get the voltage readings that you have poasted
Posted on Jan 11, 2009
Sometimes the pilot orrifice get plugged up and need to be taken apart and cleanned,,,,,, adjust the pilot flame on the gas valve, or check gas going to the unit to see if the in-line gas valve is opening and closing.
Posted on Dec 14, 2009
SOURCE: We have a Rinnai 2000D
you can try cleaning the pilot light with sand paper, (where the hole in the end is where the gas comes out) they get carbon built up over time and causes the hole to get smaller which makes the pilot light not want to stay light because of the small amount of gas coming out.
Posted on Sep 25, 2010
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