When troubleshooting Lennox furnace limit switch resets or "open limit" fault codes

Engineered with a 460V primary and a 230V secondary

but a non-corrosive leak detection test must be performed on all pneumatic connections post-installation to ensure a gas-tight seal

Does this valve include the internal check valve for heat pump operation

and NTC series furnaces

Danfoss 018F6757 Coil 324846-701 When troubleshooting Lennox furnace limitThe Danfoss 018F6757 Coil is a robust 24V DC solenoid coil engineered for high demand HVACR applications. Specifically designed for use with Danfoss EV210B, EV220B, and EV250B solenoid valves, this 16 watt clip on coil features a junction box electrical interface for secure, permanent wiring in industrial environments. Utilizing Danfosss system 13 winding technology, it maintains thermal stability and high magnetic flux even under continuous duty