Description
Can I use a higher amp fuse to prevent nuisance trips
eliminating the need for field-fabricated metal pans in most specs
Constructed with high-quality elastomers and durable valve seat components
Can I use a generic limit switch instead of the 626467R
For high-efficiency boiler maintenance
Lennox 18K43 Limit Switch Els PW 17895 Can I use a higherThe Lennox 18K43 Limit Switch is a high temperature safety control engineered for precision in Lennox furnaces and heat pumps. This Normally Closed (NC) switch is designed to interrupt the ignition circuit upon detecting excessive temperatures, effectively protecting the heat exchanger from thermal stress. As a genuine Lennox OEM replacement part (also identified as Lennox 18K4301), it provides exact mechanical and electrical compatibility for a
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy






















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