Honeywell VCZMK7400 3-way Vc Valve, 3/4" Npt, 4.2 Cv, 11 Tdr, 60 Psid Close-off. These valves are designed for zone control of heating/cooling systems. It has a Three-way Cartridge Cage Valves that are intended for hydronic applications in a normal indoor environment to control flow of hot/chilled water glycol solution up to 60% concentration. Honeywell VCZMK7400 3-way Vc Valve, 3/4" Npt, 4.2 Cv, 11 Tdr, 60 Psid Close-off has an Actuator removal that does not require draining system. No tools required for actuator installation or removal. Honeywell VCZMK7400 3-way Vc Valve, 3/4" Npt, 4.2 Cv, 11 Tdr, 60 Psid Close-off has a Mixing or diverting application. Honeywell has an excellent presence in the world of globalization. They lead when it comes to performance quality and delivery. They have approximately 132,000 employees that are top winners in terms of service and manufacturing. Honeywell is also the global leader in HVAC (heating, Ventilation, Air Conditioning) product. They master new technologies that address the tough challenges such as safety, security, and energy efficiency. Honeywell is a fortune 100 company that has over 130,000 employees including nearly 20,000 engineers and scientists.