Schneider Electric (Barber Colman) AV-420 Linkage Kit making it suitable for both

making it suitable for both steam and hot water systems

Is the mounting hardware included in the 336101 kit

This Robertshaw dial is a friction-fit D-stem thermostat knob and does not require a set screw for installation

and Series 221 make-up feeders

it has failed and requires immediate replacement

Schneider Electric (Barber Colman) AV-420 Linkage Kit making it suitable for bothThe 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