Description
ASCO S262SH02N3KK4 Solenoid Vent Valve Overview
The ASCO S262SH02N3KK4 is a 2-1/2″ normally open (NO) solenoid-operated vent valve engineered for dependable performance in HVAC, boiler, and industrial fluid-control applications. Rated for 120V AC operation and a working pressure range of 0–15 PSI, this valve is designed to open automatically when de-energized — making it an ideal safety and venting solution in systems that require fail-safe venting upon power loss.
Key Features
- Pipe size: 2-1/2″ for high-flow venting capacity
- Valve action: Normally Open (NO) — opens on de-energization for fail-safe operation
- Voltage: 120V AC
- Pressure range: 0–15 PSI
- Solenoid-operated design for fast, reliable actuation
- ASCO quality construction for long service life in demanding environments
- Suitable for HVAC, boiler venting, and industrial process applications
Application
This valve is well-suited for use in steam, gas, air, and compatible fluid systems where automatic venting upon power interruption is required. The normally open configuration ensures the system vents safely whenever the solenoid is de-energized, providing critical protection for boilers, HVAC equipment, and process piping.
Specifications
- SKU: S262SH02N3KK4
- Brand: ASCO
- Connection Size: 2-1/2″
- Valve Type: Normally Open (NO) Solenoid Vent Valve
- Voltage: 120V AC
- Pressure Rating: 0–15 PSI







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