Description
The ASCO L8040H8 is a 2-way, normally closed solenoid valve engineered for reliable fuel gas shutoff and control in demanding HVAC and combustion applications. Built on ASCO’s proven Series 8040 platform, this valve combines a rugged aluminum body with NBR (Buna-N) seals to deliver long-lasting, leak-free performance in natural gas and LP gas service.
Key Features
- 2-way, normally closed operation — valve closes automatically when de-energized for fail-safe fuel shutoff
- 3/8″ NPT port connections for straightforward inline installation
- 120VAC operating voltage for compatibility with standard commercial and residential control circuits
- 1.2 Cv flow coefficient for consistent, predictable gas flow performance
- Operating pressure range: 0–15 PSI, suitable for low-pressure fuel gas systems
- Aluminum body construction — lightweight yet durable for fuel gas environments
- NBR (Buna-N) seals — excellent resistance to natural gas, LP gas, and common fuel media
- NEMA 4X enclosure rating — provides protection against dust, splashing water, and corrosion for indoor and outdoor installations
- 72″ (6 ft) lead wires for flexible wiring routing without the need for additional conduit extensions
Specifications
- SKU / Model: L8040H8
- Brand: ASCO
- Valve Type: 2-Way Solenoid Valve
- Operation: Normally Closed (N/C)
- Port Size: 3/8″ NPT
- Voltage: 120VAC
- Flow Coefficient (Cv): 1.2
- Pressure Range: 0–15 PSI
- Media: Fuel Gas (Natural Gas / LP)
- Body Material: Aluminum
- Seal Material: NBR (Buna-N)
- Enclosure Rating: NEMA 4X
- Lead Wire Length: 72″ (6 ft)
Applications
- Fuel gas shutoff in commercial and industrial burner systems
- Gas train assemblies and combustion control panels
- Boiler and furnace fuel gas control
- OEM equipment requiring a compact, reliable normally closed gas valve
- Installations requiring NEMA 4X protection in wet or corrosive environments
Why Choose the ASCO L8040H8?
ASCO is a globally recognized leader in solenoid valve technology, and the L8040H8 reflects that heritage. The NEMA 4X enclosure ensures the coil and electrical components are protected from moisture and contaminants, making this valve equally at home in indoor mechanical rooms or exposed outdoor installations. The 72″ lead wires reduce installation time and provide wiring flexibility in tight or complex panel layouts. The aluminum body keeps weight low while maintaining structural integrity, and NBR seals provide reliable compatibility with the most common fuel gas media.
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