Description
ASCO 8210G2HW 2-Way Normally Closed Solenoid Valve Overview
The ASCO 8210G2HW is a heavy-duty, 2-way normally closed solenoid valve engineered specifically for hot water service applications. With a robust brass body, EPDM diaphragm, and a NEMA 4X rated enclosure, this valve delivers reliable shutoff performance in demanding commercial and industrial HVAC and hydronic systems. It is a direct-acting valve that remains closed when de-energized and opens upon application of the 120VAC coil voltage.
Key Features
- 2-way, normally closed (NC) operation — closes when de-energized, opens when energized
- 1/2″ NPT pipe connection for easy installation into standard plumbing and hydronic piping
- 120VAC coil voltage for compatibility with standard commercial control circuits
- 4 Cv flow coefficient for efficient fluid control with minimal pressure drop
- Operating pressure range: 5–125 PSI
- Maximum fluid temperature: 210°F — rated for hot water service
- Brass body construction for corrosion resistance and long service life
- EPDM diaphragm for excellent compatibility with hot water and steam condensate
- NEMA 4X enclosure rating — suitable for indoor and outdoor use, resistant to washdowns, rain, and corrosion
Specifications
- SKU: 8210G2HW
- Brand: ASCO
- Valve Type: 2-Way Normally Closed Solenoid Valve
- Connection Size: 1/2″ NPT
- Coil Voltage: 120VAC
- Flow Coefficient (Cv): 4
- Pressure Range: 5–125 PSI
- Maximum Temperature: 210°F
- Body Material: Brass
- Diaphragm Material: EPDM
- Enclosure Rating: NEMA 4X
- Service: Hot Water
Applications
- Commercial and industrial hot water systems
- Hydronic heating and cooling circuits
- Boiler feed and distribution control
- Process water shutoff and flow control
- HVAC equipment isolation and zone control
Why Choose the ASCO 8210G2HW?
ASCO is a globally recognized leader in fluid automation and solenoid valve technology. The 8210G2HW combines a field-proven design with materials selected for hot water compatibility — the EPDM diaphragm resists degradation at elevated temperatures, while the brass body withstands the pressures and mineral content common in hydronic systems. The NEMA 4X enclosure ensures the coil and electrical components are protected in wet or corrosive environments, making this valve a dependable choice for mechanical rooms, rooftop equipment, and outdoor installations alike.
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