Hi, I need the wiring schematic for a Lennox forced air gas furnace Model #CH7D-51M.
Thanks.

It should be on the cover of your panel

Lennox furnace runs without thermostat hooked up at all got 2 wire thermostat to hook to it but don't know the connections 3,g,w1,w2,w3,-r

[only show for original thermostat for lennox with heat pump furnace was a freebee don't have original thermostat

Nor do I have the heatpump

Someone cut the wires from my furnace. I need the wiring schematics (diagram) It is a lennox model SP 745, input: 24 VAC 50/60, part # 97H0401, 100-00831-01.