The Southco C3-303 Complete Door Latch

this part is the standard fit for 42-frame applications and is a direct substitute for part numbers found in D1CG and D2CG series

While cleaning the rod with a non-conductive abrasive (like a Scotch-Brite pad) can temporarily restore the signal

Designed for durability and OEM quality

Manual reset switches require a physical button press

York S1-024-36052-013 Pressure Switch The Southco C3-303 Complete DoorThe York S1 024 36052 013 Pressure Switch is a critical safety component engineered to monitor proper venting and furnace inducer motor performance. Designed with a precise . 40" WC setpoint, this differential air pressure switch ensures that the combustion blower is generating sufficient negative pressure to safely evacuate flue gases before allowing the ignition sequence to proceed. As an OEM York replacement part, it provides exact mechanical and