Description
The Xylem-Bell & Gossett 113247 Differential Bypass Valve Model DB-3/4 represents a precision designed valve that controls hydronic heating system differential pressure for consistent operation. This product maintains supply and return line flow automatically to stop pump pressure spikes that occur during zone valve or thermostatic radiator valve closures. This product operates the system with less noise and protects equipment while enhancing energy efficiency. This effectively in HVAC systems including fan coil units and radiant floor heating and zoned hydronic systems to maintain system balance and defend system components.
