Lennox 71W43 Limit Switch 318973-401 Class B tolerance standards for
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- CAN
Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
Description
Class B tolerance standards for consistent signal accuracy
this component ensures a secure
Service Convenience: Manual override lever permits system flushing and manual operation without requiring electrical power
It is primarily found in mobile home furnaces and residential air handlers under the Nordyne
Can I use this to replace a thermal time delay
Lennox 71W43 Limit Switch 318973-401 Class B tolerance standards forThe Lennox 71W43 Limit Switch is a critical safety component designed for precise thermal regulation within residential and commercial furnace assemblies. This OEM Lennox replacement part, also identified as the L140 30F limit control, is engineered to monitor heat exchanger temperatures and interrupt the electrical circuit if internal heat exceeds safe parameters. With a fixed 140F opening temperature and a 110F automatic reset, this switch ensures
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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