3-way valve Resideo VYE20B4.0MCS DN20 PN16 KVS4.0 MOD CS

Resideo VYE20B4.0MCS is a three-way valve with DN20 connection, PN16 pressure rating, and KVS of 4.0. The 'MOD CS' suffix indicates a modulating actuator with a specific feature. It is used in heating systems for flow control.