Lennox 30M03 Limit Switch 321142-301 this valve is built to

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

ensuring reliable on/off control in zoned commercial or residential HVAC systems

Standard Connectivity: Utilizes 1/2" NPT connections and a universal 24-volt solenoid for streamlined integration into existing control circuits

Designed for high-ambient performance

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

Lennox 30M03 Limit Switch 321142-301 this valve is built 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