Question about Vanguard Heating & Cooling
Posted by Anonymous on
The ignitor is battery operated. Remove the button and replace the AAA battery wit the (+) going INTO the body (-) against the button.
The heater has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff system. The ODS/pilot is a required feature for vent-free room heaters. The ODS/pilot shuts off the heater if there is not enough fresh air. If the heater will not stay lit with plenty of fresh air available - this may be faulting. Likewise, a mispositioned thermocouple will not sense a flame and fail, too.
A link to the heater manual is below:
Posted on Mar 10, 2015
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Posted on Jan 02, 2017
Sounds like a weak thermocouple. With the extra heat of the main burner running it can keep the pilot solenoid open...without it it fails shut. Try replacing the thermocouple. (small rod the pilot flame burns against with a skinny copper tube going to gas valve).
Posted on Jan 04, 2010
There should be a troubleshooting guide in the manual for the unit. If you do not have a manual you can obtain one at www.desatech.com , then go to "Wall Heaters" then click your model number. I know the thermocouple, gas regulator, and gas valve all share common symptons of what you're describing. For more parts check out Master Parts, as they carry a lot of the Vangaurd parts. ( 1.800.446.1446). I hope this helps!
Posted on Mar 12, 2010
The part is ordered by Model number, a serial number is no help, and yes there is a part called the flame sensor that allows the gas to stay on, I am sure if you contact a local supplier they can provide a suitable substitute gas valve or sensor if it is a stand alone part, on most the sensor is part of the gas valve. I think you will end up having a local shop try and match up the valve.
Posted on Dec 03, 2010
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