I am having the exact same problem. I can't afford a serviceman but I thought if I even knew what part too get it would be a start. Mine has a brand new gas valve on it so I don't think its the thermocouple. If you find out anything can you let me know and I will you if I do. Thank You
Pendawg

I have a coleman furnacein an older trailer I just bought. I light the pilot and the burners kick on but once the desired temp is reached it goes off and the pilot goes out. I can light it again but it will run one cycle an thats it. So just when you think youare almost warm your cold again. It has ...

I have a 720-007 Universal Gas Valve on the furnace of a trailer I just bought. It doesn't have a valve you turn that says pilot on or off. It has this red slider thing and I don't know where to slide it to to light the pilot light. or to turn it to on for that matter. Could someone email me instruc...