This adjustable limit switch is a direct-fit solution for technicians servicing Trane air handlers and rooftop units

OEM Compatibility: Exact York HVAC part match eliminates field modification issues and ensures correct electrical impedance with existing controllers

Enhances system safety by effectively monitoring draft conditions and combustion airflow

a common failure point for cheaper

McDonnell & Miller 250-2-30 Valve 30067439-890 This adjustable limit switch isMcDonnell & Miller?250 2 30 2" NPT Pressure Relief Valve Set at 30 PSI and 4,100,000 BTU Capacity (Part Number 183025) This item is not qualify for free shipping.