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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
This Robertshaw dial is a friction-fit D-stem thermostat knob and does not require a set screw for installation
Technical Specifications and Benefits
How do I install these screws for proper stroke reduction
and Series 221 make-up feeders
making it suitable for both steam and hot water systems
Schneider Electric (Barber Colman) AV-420 Linkage Kit This Robertshaw dial is aThe 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
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