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airtight interface between the collector box and the blower housing
Flexible Installation: Foot mount design and color-coded leads (8" primary
this direct acting valve features a 3/4-inch NPT female inlet and outlet
ensuring the system remains within safe operating parameters
Contractors must check bore size requirements for the specific motor in use
Lennox 71L17 Tubing L99H008 airtight interface between the collectorThe 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