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the S301-IRF-R134A is designed to communicate directly with the Honeywell 301EM-20 expansion modules and 301C controllers
the 100173796 gas air assembly provides an exact fit for the 150
6 PSIG discharge capacity
it matches factory specifications for load requirements and shaft dimensions
Lennox 30M03 Limit Switch 326058-758 the S301-IRF-R134A is designed toThe Lennox 30M03 Limit Switch is a critical safety component designed for precise thermal regulation within residential and commercial HVAC furnaces. This fixed temperature limit control is engineered with a specified range of 140 170F, ensuring the system shuts down if heat exchanger temperatures exceed safe operating parameters. As an OEM Lennox replacement part, this switch features an automatic reset mechanism, transitioning back to a closed state