Because this adapter has varying diameters

Enhanced System Reliability: High-quality SPST electrical contacts designed to handle 24VAC control circuits without pitting or premature failure

making it suitable for standard hydronic boiler loops and domestic hot water applications

What does the 460# On

Heil Quaker ICP 1082856 TXV Valve Freon Because this adapter has varyingAs a seasoned technician, you know that a failing metering device can lead to a literal "freeze up" of your job schedule. The Heil Quaker ICP 1082856 TXV Valve is a genuine 5 Ton OEM replacement designed to restore precise refrigerant regulation in high capacity residential and light commercial HVAC systems. This thermostatic expansion valve is engineered specifically for R 22 and R 407C applications, ensuring the evaporator is fed correctly without