Description
ASCO 821453CSA Solenoid Fuel Gas Vent Valve Overview
The ASCO 821453CSA is a 2-way, normally open solenoid valve engineered specifically for fuel gas venting applications in commercial and industrial HVAC and combustion systems. With a robust aluminum body, NBR seals, and a NEMA 1 enclosure, this valve delivers reliable, code-compliant performance in demanding gas-handling environments.
Key Features
- 2-way, normally open (N/O) valve configuration — opens when de-energized for safe fuel gas venting
- 1″ NPT port connection for straightforward in-line installation
- 120VAC coil voltage for compatibility with standard commercial control circuits
- High flow capacity: 21 Cv flow coefficient supporting up to 1,179,000 BTU/hr
- Operating pressure range: 0–5 PSI, ideal for low-pressure fuel gas vent service
- Aluminum body construction — lightweight, corrosion-resistant, and durable
- NBR (Buna-N) seals for excellent compatibility with natural gas and similar fuel gases
- NEMA 1 enclosure rating for general indoor use
Specifications
- SKU: 821453CSA
- Brand: ASCO
- Valve Type: Solenoid, 2-Way, Normally Open
- Port Size: 1″ NPT
- Coil Voltage: 120VAC
- Flow Coefficient (Cv): 21
- Capacity: 1,179,000 BTU/hr
- Pressure Range: 0–5 PSI
- Body Material: Aluminum
- Seal Material: NBR (Nitrile Butadiene Rubber)
- Enclosure Rating: NEMA 1
- Media: Fuel Gas
- Application: Gas Vent Valve
Application
The ASCO 821453CSA is designed for use as a fuel gas vent valve in burner management and combustion safety systems. Its normally open design ensures that the vent line remains open to atmosphere when the coil is de-energized, providing a critical safety function in compliance with gas appliance and burner control standards. It is well-suited for boilers, industrial burners, and other commercial heating equipment requiring automatic gas venting.
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