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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Always verify the rotation of the existing blower wheel before installation to ensure proper air discharge
Vibration Reduction: Factory balancing prevents harmonic noise and minimizes premature HVAC motor failure
The manual reset functionality is a strictly required safety feature in many jurisdictions
Universal Compatibility: Seamlessly integrates with Belimo AFB
The 100135309 is verified for use with Lochinvar Knight (Models KBN
Lennox 74W77 Limit Switch 323613-751 Always verify the rotation ofThe 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
US$ 400.00
US$ 14500.00
US$ 25.95
US$ 30.95