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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
the York replacement wheel provides the exact balance and blade pitch required for optimal heat exchange efficiency
This 1-speed assembly is optimized for heat-only applications
Tight Leakage Rating: Engineered to meet stringent shutoff requirements
the RTB14 utilizes an adjustable weighted arm to maintain optimal system pressure
Lennox 74W77 Limit Switch 320788-702 the York replacement wheel providesThe Lennox 74W77 Limit Switch is a critical OEM safety component engineered for precise thermal regulation within Lennox furnaces and air handlers. This L155 30F limit switch is calibrated to open at 155F and automatically reset when the temperature drops by 30F, preventing heat exchanger damage and ensuring safe operational cycles. Designed as a direct Lennox 74W77 replacement, this high limit control utilizes a bimetal sensing element to monitor