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Thread: Propane Supply Issues

  1. #1
    Join Date
    Jul 2011

    Propane Supply Issues

    I have a 2010 Keystone Montana Mountaineer 345DBQ. Since this units was new I have been having problems with the propane gas system. Over the last couple of years I have had issues with gas supply from one or both tanks. This past weekend was our second trip of the season (we had no issues on our first trip) and we had limited propane supply from both tanks. The water heater and gas range work fine but when the furnace fires that indicator on the regulator/diverter valve turns red and the furnace does not operate properly. The dealer changed the regulator on the tank opposite of the diverter valve and that seemed help for a while. Has anyone experienced similar issues? Any thoughts? Thanks!

  2. #2
    Junior Member
    Join Date
    Sep 2011

    Re: Propane Supply Issues

    Some Keystone fifth wheels use a split-bottle system where there is one propane bottle located on each side of the unit. There are some instances where this system may inadvertently activate the “excess flow device” located in the propane pigtail.
    The “excess flow device” is a safety feature that is designed to detect a large leak in the propane system such as a broken gas line and reduce the flow of propane from the bottle. It also activates when the propane bottle service valve is turned on and the propane system is not completely closed such as when the range burner is left on. The device is not designed to completely stop the flow of propane, but to reduce it to approximately 20,000 BTUs/hr.
    When activated, one appliance at a time may operate normally. Follow the procedure below to avoid inadvertently activating the “excess flow device” and to operate the split bottle propane system.
    Follow this procedure for the following conditions: After refilling either or both bottles; After any part of the propane system has been disconnected; Appliance burners are not operating correctly; Low operating pressure exists downstream from the regulator when operating heavy demand appliances such as the furnace.
    Verify both propane bottles contain sufficient propane. Refill if necessary.
    Close both propane bottle service valves.
    Attach the propane pigtails to the service valve.
    Close manually operated gas valves on the range or water heater.
    Turn the indicator on the regulator to the bottle closest to it.
    Slowly open the service valve on the bottle closest to the regulator. This is typically the bottle on the entry door side. Open the valve all the way.
    Slowly open the service valve on the bottle that is furthest from the regulator until you can hear gas start to flow through. Do not open the valve all the way. Wait 1 minute.
    Re-close the service valve and then slowly re-open it all the way. The system is now ready to operate.

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