Durable Construction: Engineered to withstand the high-temperature environment of the furnace heat exchanger wrap

the VM3221 is specifically designed for liquid hydronic service and is not rated for steam use

It's built to spec for Burnham ES2 Series boilers (including ES23 to ES26) and Burnham Series 3 boilers (303B to 306B)

modulating the flow of refrigerant to match the varying cooling load of the building

This unit utilizes a 208Vac coil housed in a NEMA 4X airtight enclosure

Heil Quaker ICP 1185864 Service Valve 328140-751 Durable Construction: Engineered to withstandThe Heil Quaker ICP 1185864 is a Liquid Line Service Valve engineered for heavy duty refrigerant management in high pressure HVACR systems. As a critical point for system evacuation, charging, and isolating the refrigerant charge, this OEM replacement part is built with a high grade brass body to withstand the corrosive effects of moisture and environmental exposure. It provides a reliable seal to prevent refrigerant leaks and features a precision