The Nordyne 626422R Limit Switch is a critical safety component designed for furnace rollout protection in gas-fired and oil-fired HVAC systems

it is recommended to stick to the manufacturer's specified part numbers for safety and performance

While the HUS1207 is a standard Trane OEM part

Electrical Reliability: Designed for high-cycle industrial use with clean SPST contact breaking

This component is critical for maintaining an efficient flame pattern and proper fuel-to-air ratio

Danfoss 023Z5008 Filter Drier The Nordyne 626422R Limit SwitchThe Danfoss 023Z5008 is a high performance liquid line filter drier designed for HVACR systems requiring reliable moisture and acid removal. Part of the Danfoss DML series, this unit features a 100% molecular sieve core, making it exceptionally effective for systems utilizing HFC refrigerants and POE or PAG oils. The 3 8 inch flare connection ensures a secure, leak proof fit for standard service configurations. With a high pressure rating suitable for