Description
ASCO JB8214250CCSA Fuel Gas Shutoff Solenoid Valve Overview
The ASCO JB8214250CCSA is a heavy-duty, 2-way normally closed solenoid valve engineered specifically for fuel gas shutoff applications in commercial and industrial HVAC and combustion systems. With a 1″ connection available in NPT or flange configurations, this valve delivers reliable, code-compliant gas shutoff performance with a high flow capacity of 21 Cv and a rated capacity of 1,132,300 BTU/hr — making it well-suited for high-demand burner and boiler applications.
Key Features
- 2-way, normally closed (NC) operation — valve closes automatically upon power loss for fail-safe fuel shutoff
- 1″ pipe size with NPT or flange end connection options for flexible installation
- 120VAC operating voltage for standard commercial power compatibility
- High flow coefficient of 21 Cv supporting up to 1,132,300 BTU/hr capacity
- Operating pressure range: 0–5 PSI, optimized for low-pressure fuel gas systems
- Aluminum body construction for lightweight durability and corrosion resistance
- NBR (Buna-N) seals for reliable compatibility with natural gas and other fuel gases
- NEMA 1 enclosure with integrated junction box for clean, protected wiring connections
- Proof of Closure (POC) switch included for safety interlock and system verification
Proof of Closure Switch
The integrated Proof of Closure switch provides a positive confirmation signal when the valve is fully closed, enabling safety interlock circuits to verify valve position before burner ignition. This feature is essential for compliance with safety standards in commercial combustion and boiler applications.
Construction & Enclosure
- Body Material: Aluminum
- Seal Material: NBR (Nitrile Butadiene Rubber)
- Enclosure Rating: NEMA 1
- Junction Box: Included for simplified field wiring
Specifications
- SKU / Part Number: JB8214250CCSA
- Brand: ASCO
- Valve Type: 2-Way Solenoid Valve, Normally Closed
- Pipe Size: 1″
- End Connection: NPT or Flange
- Voltage: 120VAC
- Flow Coefficient (Cv): 21
- BTU/hr Capacity: 1,132,300 BTU/hr
- Pressure Range: 0–5 PSI
- Body Material: Aluminum
- Seal Material: NBR
- Enclosure: NEMA 1 with Junction Box
- Safety Feature: Proof of Closure Switch
- Application: Fuel Gas Shutoff
Applications
- Commercial and industrial boiler fuel gas shutoff
- Burner management and combustion control systems
- Gas-fired heating equipment safety shutoff
- Low-pressure fuel gas distribution systems
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