this L150F-30 high limit switch prevents heat exchanger overheating

ensuring a precise match for specific blower motor shafts

System Protection: Integrated adjustable temperature differential and delay timers safeguard the compressor against rapid cycling

the 1/4 inch quick-disconnect terminals and standard snap disc mounting facilitate efficient field installation and HVAC furnace troubleshooting

Resideo VCZML7100 Valve 321702-401 this L150F-30 high limit switchThe Resideo VCZML7100 is an industry standard 3 4 inch sweat three way cartridge cage valve engineered for precision flow control in commercial hydronic systems. Designed for proportional non fail safe control using VC series actuators, this valve utilizes a stem up to close A port configuration. With a robust 6. 6 Cv rating and a 60 psi close off pressure, it provides reliable performance in both chilled and hot water applications, including systems