R38012B001

Two-Stage Control: Enables precise 2-stage 24V AC operation

the override stat typically wires into the Master unit amplifier to control the entire bank

Proper installation of the Armstrong R40406-007 restores reliable burner ignition

This kit is specifically calibrated for the 2" 25AUB-Z3 series

Johnson Controls VG1241DN Valve 322838-752 R38012B001The Johnson Controls VG1241DN is a heavy duty 1 1 4 inch NPT ball valve designed for precise flow control in commercial HVACR chilled or hot water applications. Built with a forged brass body and robust plated brass trim, this two way valve features an Amodel flow characterizing disk to maintain a strict equal percentage flow. This specific geometry ensures stable thermal control and prevents hunting in modern building automation systems. With a 11. 7