Re: Propane furnace problem
One of the main problems for the suburban starting has been battery voltage. As the voltage goes down the RPM of the fan/blower goes down. This prevents the air vane switch from closing thus not letting the system light. This is exasperated at altitude, so the same conditions at sea level may not start at say 6000 ft. If your battery is a little low, you can start the van thus raising the voltage while you get the furnace going, when you turn off the van it should still have enough RPM to keep the air vane closed. This of course only helps if you are trying to warm up the van, it won't help if trying to keep it cycling throughout the night. Also make sure there is nothing impeding airflow both exhaust and interior as the same thing could happen.
-greg
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-greg
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"Goldilocks" 2020 Ford Transit High Roof Extended 3.5 EcoBoost AWD Homebuilt
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