I have a 2009 Heartland Landmark Pinehurst. I'm having a problem getting propane to my stove top and oven and my furnace is not igniting either. When I open the LP tank valve I smell propane, when I shut the tank valve the gas odor goes away. It's been suggested that the regulator may be faulty, apparently a common problem. Does anyone know what regulator I should replace mine with? What regulator is OEM? I have two 30lb LP tank compartments and the regulator located in the off-door compartment has a control to switch between tanks. Any help or recommendations would be appreciated.