The ASCO 8040C4CSA is a heavy-duty, 2-way normally closed solenoid valve engineered specifically for fuel gas applications in commercial and industrial HVAC and combustion systems. Built with a rugged aluminum body and NBR (Buna-N) seals, this valve delivers reliable, leak-tight shutoff and is housed in a NEMA 1 enclosure for indoor installations.
Key Features
- 2-way, normally closed (NC) operation — valve closes automatically when de-energized for safe fuel shutoff
- 1″ NPT pipe connection for straightforward installation into standard gas piping
- 120VAC coil voltage — compatible with standard commercial power supplies
- High flow capacity: 16.8 Cv for efficient fuel gas delivery with minimal pressure drop
- Operating pressure range: 0–0.5 PSI, ideal for low-pressure fuel gas service
- Aluminum body construction — lightweight yet durable for long service life
- NBR (Nitrile Butadiene Rubber) seals — excellent compatibility with natural gas and other fuel gases
- NEMA 1 enclosure — suitable for general-purpose indoor environments
Specifications
- SKU: 8040C4CSA
- Brand: ASCO
- Valve Type: 2-Way Solenoid Valve
- Operation: Normally Closed (NC)
- Pipe Size: 1″ NPT
- Coil Voltage: 120VAC
- Flow Coefficient (Cv): 16.8
- Pressure Range: 0–0.5 PSI
- Media: Fuel Gas
- Body Material: Aluminum
- Seal Material: NBR (Nitrile)
- Enclosure Rating: NEMA 1
Applications
- Commercial and industrial fuel gas control systems
- Burner management and combustion equipment
- Boiler and furnace gas supply lines
- Low-pressure natural gas shutoff applications
The ASCO 8040C4CSA is a trusted solution for contractors and engineers who demand precision, safety, and durability in fuel gas valve applications. Order from Jackson Systems for expert support and competitive pricing.








