0% leakage rate (Port A to AB) prevents energy waste and ghost flows in dormant zones

a 1/4 inch NPT balance line should be connected to the top of the trap to prevent air binding and ensure consistent drainage

Comprehensive Kit: Includes the U-Control module

such as the Lochinvar Shield and A

KMC Controls VCZ-4104AMBE Valve 340793-762 0% leakage rate (Port AThe KMC Controls VCZ 4104AMBE is a high performance 1 inch 2 way NPT control valve designed for demanding HVAC hydronic applications. This Normally Open (N O) assembly utilizes a standard 8 to 13 PSI spring range, ensuring a reliable fail open position upon loss of pneumatic signal. Engineered for precision modulation of hot or chilled water, this valve features a robust brass body and a stainless steel stem, providing the durability required for