Description
ASCO 8040H6 Two-Way Normally Closed Solenoid Valve
The ASCO 8040H6 is a two-way, normally closed solenoid valve engineered for reliable fuel gas shutoff and control in demanding HVAC and commercial heating applications. Built with a rugged aluminum body, NBR (Buna-N) seals, and a NEMA 4X-rated enclosure, this valve delivers dependable performance in both indoor and outdoor installations where moisture and corrosion resistance are essential.
Key Features
- 2-Way, Normally Closed (NC) operation — valve closes automatically when de-energized for fail-safe fuel shutoff
- 1/8″ NPT port connection for easy inline installation
- 120VAC coil voltage for standard commercial power compatibility
- 1.0 Cv flow coefficient for precise flow control
- Operating pressure range: 0–15 PSI, ideal for low-pressure fuel gas systems
- Aluminum body construction — lightweight and corrosion-resistant
- NBR (Nitrile Butadiene Rubber) seals — compatible with natural gas, LP gas, and other fuel gas media
- NEMA 4X enclosure rating — provides protection against dust, splashing water, and corrosion for indoor and outdoor use
Specifications
- SKU: 8040H6
- Brand: ASCO
- Valve Type: 2-Way Solenoid Valve
- Operation: Normally Closed (NC)
- Port Size: 1/8″ NPT
- Coil Voltage: 120VAC
- Flow Coefficient (Cv): 1.0
- Pressure Range: 0–15 PSI
- Media: Fuel Gas
- Body Material: Aluminum
- Seal Material: NBR (Nitrile)
- Enclosure Rating: NEMA 4X
Applications
- Fuel gas shutoff and control in commercial HVAC systems
- Natural gas and LP gas line control
- Burner management and combustion control systems
- Industrial and commercial heating equipment
- OEM equipment requiring compact, reliable gas valve solutions







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