For the smaller VB-7XXX or VB-9XXX valves (1/2" to 1-1/4")

Whether you are performing routine maintenance or an emergency HVAC repair

The McDonnell & Miller 302500

many technicians leave them in place

reducing wear on your system while optimizing air distribution

Johnson Controls V47AC-29 Valve Freon For the smaller VB-7XXX orThe Johnson Controls V47AC 29 is a heavy duty temperature actuated modulating water valve designed for precision flow control in commercial refrigeration and HVAC systems. Featuring a 3 4 inch NPT connection, this valve is engineered to regulate the flow of water or glycol to maintain constant temperature setpoints. It operates within a 115 180 degree F range, making it ideal for high temperature applications where consistent thermal management is