Lennox 71L17 Tubing 321702-401 Always check for clogged condensate

Always check for clogged condensate lines or restricted flues before replacing the switch

this Type 1 general-purpose enclosure ensures a secure environment for solenoid wiring in commercial and industrial HVACR applications

It features a factory-calibrated setpoint of 8

this genuine HVAC replacement part provides the structural stability necessary to handle the torque and vibration of condenser fan motors during peak cooling cycles

Lennox 71L17 Tubing 321702-401 Always check for clogged condensateThe Lennox 71L17 Tubing is a critical OEM replacement part designed for precise HVAC pressure switch integration. Engineered to maintain the pneumatic link between the combustion air inducer and the pressure switch, this high grade silicone tubing ensures accurate monitoring of negative pressure within the collector box or inducer housing. For veteran technicians, this 71L17 pressure switch hose is the standard for resolving "Pressure Switch Open" or