Lennox 30M03 Limit Switch 321142-301 This Rheem expansion valve features

This Rheem expansion valve features 3/8" x 3/8" connections

this valve is built to maintain system integrity under demanding industrial conditions

the Belimo B317B Valve is a robust 3-way ball valve engineered for precise flow control in demanding HVACR hydronic systems

The Johnson Controls VG7241RT+823C00 is an industrial-grade 2-way normally open valve assembly engineered for precise modulating control in steam and water applications

This transformer is engineered with high-grade copper windings and a robust core to minimize thermal loss and prevent voltage drop under peak inductive loads

Lennox 30M03 Limit Switch 321142-301 This Rheem expansion valve featuresThe 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