replacing a pitted or oxidized sensor with a fresh OEM rod ensures the system maintains proper HVAC flame monitoring and operational safety

Flexible Mounting: Supports upright mounting above the valve centerline

this tube is essential for contractors installing or maintaining duct smoke detectors in commercial and industrial air handling systems

specifically calibrated with a 45 degree F open and 55 degree F close setpoint

this specific valve linkage kit is rated for 1/2” to 2” valve bodies

Schneider Electric (Barber Colman) AV-420 Linkage Kit replacing a pitted or oxidizedThe Schneider Electric AV 420 Linkage Kit is a field installable hardware set engineered for retrofitting and maintaining pneumatic control systems. Designed specifically to interface MK 4800 Series pneumatic actuators with VB 9XXX series valve bodies (1. 5 inch to 2 inch), this Barber Colman AV 420 kit ensures precise mechanical alignment for mission critical flow regulation. As a veteran technician, you know that maintainable air handling stability