For contractors managing building automation or process controls

it is the direct substitute for the HD52RE120 and HD52RE122

ensuring the refrigeration cycle maintains peak performance during high-demand summer months

the B331 is a staple for HVAC mechanical contractors seeking reliable hydronic flow control

Heil Quaker ICP 1085991 Service Valve 320074-702 For contractors managing building automationThe Heil Quaker ICP 1085991 Suction Line Service Valve is a critical OEM replacement part designed for localized isolation and pressure monitoring in high performance residential and light commercial condensing units. This 12S 12S suction service valve features a robust 3 4 inch sweat connection, specifically engineered to withstand the thermal stresses of the refrigeration cycle without compromising seal integrity. As a genuine International Comfort