utilizing a standard 1/4 inch flare nut for secure pressure connections

utilizing Teflon stem packing for leak-free performance and EPDM glass seals that maintain integrity under thermal cycling

this cast iron pulley is the industry standard for reliable operational efficiency

as well as oil-free centifugal or screw compressor oil-free systems

and R-404A

Reznor 177235 Pressure Cutout 321894-706 utilizing a standard 1/4 inchThe Reznor 177235 is a critical safety component designed for high performance HVAC systems, functioning as a High Head Pressure Cutout with manual reset (M R) capabilities. Engineered to monitor refrigerant levels within the high side loop, this OEM replacement pressure switch ensures system integrity by interrupting the electrical circuit if head pressure exceeds safe operational limits. This prevents catastrophic compressor failure and extends the