Harbor notes
Glass shelves · bracketed field sheets
Description
rated for operation in temperatures up to 200°C (392°F)
System Protection: Acts as a safeguard against liquid refrigerant entering the compressor
The 100135309 is verified for use with Lochinvar Knight (Models KBN
The manual reset functionality is a strictly required safety feature in many jurisdictions
serves as the direct internal performance replacement for the 3315-00
Lennox 74W77 Limit Switch 323613-751 rated for operation in temperaturesThe 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
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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