Honeywell Commercial VP531C1000 Pneumatic Terminal Unit Valve

The Honeywell VP531C1000 Pneumatic Terminal Unit Valve is a reliable choice for commercial HVAC control. This Pneumatic Radiator Valve uses a 1/2" NPT connection and a straight Normally Open (N.O.) configuration to deliver precise modulation at a 2-5 PSI control range, with a Cv of 1.6 for dependable flow control in heating systems.

Built for commercial use, this valve supports easy installation, durable operation, and compatibility with standard terminal units. The N.O. design enables seamless integration into existing control schemes while keeping maintenance simple and predictable.

Engineered for steady performance in demanding commercial environments, this valve helps optimize heating efficiency, reduce overshoot, and support precise zone control. It is an ideal choice for retrofit projects or new installations where reliable pneumatic control is required.

Features

• 1/2" NPT connection for flexible piping
• Straight Normally Open (N.O.) valve configuration
• 2-5 PSI operating control range
• Cv rating of 1.6 for precise flow
• Durable commercial-grade construction
• Easy installation and straightforward maintenance