Johnson Controls VG2831UM292NGGC Valve Assembly 318172-701 The Maxitrol R500Z-1/2 is a

The Maxitrol R500Z-1/2 is a high-precision zero governor gas regulator designed specifically for demanding air-gas mixing applications

With its NBR seals and durable internal construction

Common Questions Is the 32001621-001/U different from the 32001621-001

The kit features a nickel-plated forged brass valve with a 1/8-inch NPT connection

Contractors rely on the VS2417 valve body for its consistent close-off pressure ratings and its ability to withstand the cycling demands of commercial boiler loops

Johnson Controls VG2831UM292NGGC Valve Assembly 318172-701 The Maxitrol R500Z-1/2 is aThe Johnson Controls VG2831UM292NGGC Valve Assembly is a heavy duty, 3 inch 3 way mixing globe valve designed for precise fluid control in high capacity commercial HVAC systems. Engineered with a robust cast iron body and durable brass trim, this assembly utilizes a modified linear flow characteristic to ensure stable modulation of hot water, chilled water, or 50% glycol solutions. For steam applications, the unit handles up to 35 psig saturated steam