Description
The Honeywell VP526A1035 is a three-way, high-pressure water valve engineered for precise proportional flow control in commercial and industrial hydronic systems. Built with a robust brass body, this valve handles both hot and cold water applications, making it a versatile choice for a wide range of HVAC and building automation installations.
Key Features
- 5/8″ O.D. (1/2″ nominal) three-way valve configuration
- 2.5 Cv flow coefficient for accurate flow capacity sizing
- 2–5 PSI spring range for proportional pneumatic control
- Push-on air connections designed for 1/4″ O.D. plastic tubing — fast, tool-free hookup
- Proportional control action: Normally Open ports B to AB
- Suitable for both hot and cold water service
- Brass body construction for durability and corrosion resistance
Application
The VP526A1035 is ideal for use in pneumatically controlled hydronic heating and cooling systems where precise, proportional modulation of water flow is required. The normally open B-to-AB valve action ensures reliable failsafe positioning, while the push-on 1/4″ O.D. air connection simplifies installation and reduces labor time in the field.
Specifications
- SKU: VP526A1035
- Brand: Honeywell
- Connection Size: 5/8″ O.D. / 1/2″ Nominal
- Valve Type: Three-Way, High Pressure Water
- Cv Rating: 2.5
- Spring Range: 2–5 PSI
- Air Connection: Push-on for 1/4″ O.D. plastic tubing
- Control Action: Proportional, Normally Open (Ports B to AB)
- Media: Hot or Cold Water
- Body Material: Brass







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