This OEM replacement pressure switch prevents hazardous operation by monitoring for blocked vents

this 24V HVAC transformer provides consistent 24VAC output to maintain steady system communication

Key Benefits Versatile SPDT Switching: Supports multiple wiring configurations

this thermostatic expansion valve is engineered to regulate the flow of refrigerant into the evaporator coil

High close-off pressure (200 psi) ensures reliable shut-off

Parker 4108-00 Valve Freon This OEM replacement pressure switchAs an HVACR professional, you know that managing secondary coolants in a high draw commercial setting requires hardware built for precision and durability. The Parker 4108 00 Valve is a normally closed solenoid valve specifically engineered to handle the unique demands of secondary coolant systems, including high volume circulation of propylene glycol, ethylene glycol, and Dynalene. With its 1 3 8" ODF extended copper connections, this valve allows