Johnson Controls V-3766-1001 Valve 30067439-890 Professionals rely on this Weil

Professionals rely on this Weil McLain boiler part to perform routine visual inspections and adjust the air-to-fuel ratio

Its compact design and high-accuracy diaphragm make it a critical component for technicians requiring consistent HVAC pressure monitoring and repeatable actuation points in low-pressure differential applications

The auto reset function ensures system continuity once pressures return to safe operating levels

and any necessary gaskets for a complete internal overhaul

Precise fitment within the Armstrong F&T trap body prevents short-circuiting and optimizes heat transfer efficiency across the steam loop

Johnson Controls V-3766-1001 Valve 30067439-890 Professionals rely on this WeilThe Johnson Controls V 3766 1001 Valve is a rugged, 1 2" flare bronze 2 way valve engineered for precise flow control in HVAC terminal units such as fan coils, perimeter radiation, and reheat coils. As a Normally Open (N. O.) pneumatic valve, it utilizes a Push Down to Close (PDTC) action with a 3 6 psi spring range to maintain system regulation. This 1. 0 Cv rating globe valve is built with a 1 4" stainless steel stem, 5 16" stroke, and high quality