the 1" valves require the K-1177 (PCN 038934)

This Hankison 05-7501-03 kit contains the critical wear parts and seals required for a standard overhaul

the H15CA-1 is designed without a pressure tap

this assembly provides critical environmental protection for the S7800A1140 and S7800A1001 displays in demanding mechanical rooms

Engineered Durability: Features an aluminum valve body designed to withstand high surface temperatures in commercial boiler rooms

KMC Controls MEP-4551 Actuator 30067439-890 the 1" valves require theThe KMC Controls MEP 4551 is a robust 24VAC damper actuator engineered for reliable two position control in demanding HVAC systems. Delivering a focused 45 in lb torque, this unit provides high performance actuation for HVAC dampers and valves requiring a fail safe return to zero position upon power loss. This model serves as the designated direct replacement for MEP 5374 and MEP 5324, allowing for seamless mechanical integration and control logic