Description
The ASCO SU8263H300 is a 1/4″ normally closed (N/C) 2-way brass solenoid valve engineered for dependable on/off fluid control in demanding HVAC, plumbing, and industrial process applications. Built on ASCO’s trusted Red-Hat platform, this valve snaps shut when de-energized, providing a fail-safe closed position that protects your system from unintended flow.
Key Features
- 1/4″ NPT port size for easy inline installation
- Normally closed (N/C) operation — valve closes automatically when power is removed
- 2-way design for straightforward open/close flow control
- Brass body construction for excellent corrosion resistance and compatibility with water, air, light oils, and compatible fluids
- Direct-acting or pilot-operated solenoid mechanism for fast, reliable response
- Compact form factor fits tight mechanical spaces
Typical Applications
- HVAC hydronic and chilled water systems
- Compressed air and pneumatic control lines
- Water treatment and plumbing shut-off
- Industrial process fluid control
- OEM equipment integration
Why Choose ASCO?
ASCO has been the industry standard in solenoid valve technology for over a century. The SU8263H300 continues that legacy with robust brass construction, precise coil engineering, and a design built to deliver millions of reliable cycles. Whether you’re replacing an existing valve or specifying new equipment, the SU8263H300 offers the performance and longevity HVAC professionals demand.
Ordering Information
- Brand: ASCO
- SKU / Part Number: SU8263H300
- Port Size: 1/4″ NPT
- Operation: Normally Closed (N/C)
- Valve Type: 2-Way
- Body Material: Brass







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