Johnson Controls VB-3966-1 Valve Body Refrigerant making it a staple replacement

making it a staple replacement auxiliary switch for HVAC repair professionals who refuse to compromise on component compatibility or field performance

protecting compressor windings and internal components

and Klixon for faster field wiring

As an OEM York fan blade

maintaining the integrity of the safety circuit is non-negotiable

Johnson Controls VB-3966-1 Valve Body Refrigerant making it a staple replacementThe Johnson Controls VB 3966 1 is a robust 1 2 inch flare valve body engineered for precise control in HVAC hydronic systems. Designed for hot and cold water service, this two way valve features a Push Down to Open (PDTO) action and a 1. 7 Cv flow coefficient, making it ideal for terminal units like fan coils and reheat coils. The equal percentage flow characteristic ensures stable control throughout the stroke, compensating for the non linear heat