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Rosewood paper grain — description and returns beneath the overlapping buy card.
Designed to maintain precise air-fuel ratios
this component ensures a secure
ensuring seamless refrigeration parts replacement
and indoor blower operate in perfect synchronization
Service Convenience: Manual override lever permits system flushing and manual operation without requiring electrical power
Lennox 71W43 Limit Switch 318973-401 Designed to maintain precise air-fuelThe 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