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Old 09-13-2010, 06:05 AM   #1
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1984 27' Airstream 270
Perth , Western Australia
Join Date: May 2010
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How to start a Suburban Furnace

We have a 27ft RV with a Suburban Furnace. The LP tank was removed for testing and refitted. Cooker oven and water heater works but can not get Furnace to start. 12v power OK

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Old 09-13-2010, 07:17 AM   #2
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1967 26' Overlander
1953 17' Clipper
Mendon , Vermont
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Hi--I don't know where your furnace is located in relation to your stove top, but, in my '67 the furnace gas line is immediately after my stove top. When I had trouble lighting my furnace last year, it was suggested that I light one of the stovetop burners, leave it on, and then light the furnace. It lighted immediately! I now do it every time........It would be nice if it could be so easy for you.......................

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Old 09-13-2010, 07:31 AM   #3
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1974 Argosy 26
Morrill , Nebraska
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Pilot and Thermostat

If it is like mine, you need to light the pilot. Much like lighting a pilot of a water heater. Then set the termostat high enough where the fan in the furnace comes on. Also on mine there is a gas valve on the underside of the trailer to supply gas to the furnace, it needs to be open.
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Old 09-13-2010, 08:53 AM   #4
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2005 22' Safari
Hyde Park Place , Ohio
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It does sound like air has got into your propane lines when the service was done. Lighting the gas stove will clear that air out like pinktrailer said.
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Old 09-13-2010, 09:23 AM   #5
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2007 19' Safari SE
La Center , Washington
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When my regulator failed, I replaced it, after which my furnace didn't work. It turns out that there was some crud in the propane line that blocked the gas solenoid in the furnace. I had to blow it out.
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Old 09-13-2010, 12:49 PM   #6
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1977 31' Excella 500
West Sacramento , California
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Mine would not light at home but apparently the 50 mile ride to the repair facility cured the propblem because the furnace fired up for the technicians and has worked like a charm since. Probably was a spider/web inside the unit.

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