Honeywell VP531C1042 Pneumatic Radiator Valve 3/4" Straight N.O. 7/8" Solder

The Honeywell VP531C1042 is a pneumatic radiator valve designed for precise control of hot water heating systems. This normally open (N.O.) valve features a 3/4-inch straight body configuration with 7/8-inch O.D. solder connections for secure, leak-free installation in copper pipe systems.

Key Features:

• Pneumatic actuation for reliable, proportional control of water flow
• Normally open design ensures fail-safe operation during power loss
• 3/4-inch valve size suitable for standard radiator applications
• 7/8-inch O.D. solder connections for permanent copper pipe installation
• Straight body configuration for simplified piping layouts
• Two-position operation for on/off control
• Durable brass construction for long service life

This valve is ideal for use in pneumatic control systems for commercial and industrial hydronic heating applications, including radiator circuits, unit heaters, and zone control applications. The solder connections provide a permanent, professional installation method preferred in mechanical system installations.