I need a part that plugs into the gas valve controller. To me it is the gas reset switch, since obviously it has the reset button on it.
It has the thermo cupler and pilot connecting to it and 4 prong pin plugs into the General Controls Gas Valve. The switch is not holding in the position that ingnites the burners and keeps them burning. Instead it goes right into the last position that's to just keeps the pilot litt.
It is an old Coleman Forced Air Furnace, Model 2635, Series 856. The number on the part I need is CAT A100G564. Where can I get/order/find parts for this furnace?