Description
The ASCO 8210G9HW is a heavy-duty, 2-way normally closed solenoid valve engineered specifically for hot water service in demanding HVAC and hydronic applications. Built with a brass body and EPDM diaphragm, this valve delivers reliable, leak-free shutoff in high-temperature water systems up to 210°F. The NEMA 4X rated enclosure ensures protection against moisture, dust, and corrosion, making it equally suitable for indoor and outdoor installations.
Key Features
- 2-way, normally closed (NC) operation — valve closes when de-energized for fail-safe shutoff
- 3/4″ NPT pipe connection for straightforward installation into standard plumbing and hydronic systems
- 120VAC coil voltage for compatibility with common commercial and residential electrical systems
- Flow coefficient (Cv) of 5 for efficient, predictable flow control
- Operating pressure range: 5–125 PSI
- Maximum fluid temperature: 210°F — rated for hot water service
- Brass body construction for excellent corrosion resistance and long service life
- EPDM diaphragm material compatible with hot water and a wide range of water-based media
- NEMA 4X enclosure rating — protected against rain, splashing, hose-directed water, and corrosion
Specifications
- SKU: 8210G9HW
- Brand: ASCO
- Valve Type: 2-Way Solenoid Valve
- Operation: Normally Closed (NC)
- Connection Size: 3/4″ NPT
- Coil Voltage: 120VAC
- Flow Coefficient (Cv): 5
- Pressure Range: 5–125 PSI
- Maximum Temperature: 210°F
- Body Material: Brass
- Diaphragm Material: EPDM
- Enclosure Rating: NEMA 4X
- Service: Hot Water
Applications
- Hydronic heating and cooling systems
- Hot water distribution and shutoff
- Commercial and industrial HVAC equipment
- Process water control in wet or corrosive environments
- Boiler feed and zone control systems
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