Description
The Conbraco Industries 20-104-03 is a heavy-duty rough bronze water gauge valve engineered for reliable performance in demanding hydronic and steam system applications. Featuring 1/2″ NPT male connections, this valve is built to deliver long service life and dependable shutoff where it counts most.
Key Features
- 1/2″ NPT male connections for easy installation into standard piping systems
- Rough bronze body construction for superior corrosion resistance and durability
- EPDM glass seal provides a tight, leak-free connection at the sight glass
- Teflon stem packing ensures smooth operation and prevents stem leakage over time
- Aluminum type wheel handle for comfortable, tool-free manual operation
- Rated at 125 PSI @ 350°F for high-temperature steam and hydronic applications
- Rated at 300 PSI @ 100°F for cold-water and lower-temperature pressure service
Specifications
- SKU: 20-104-03
- Brand: Conbraco Industries
- Connection Type: 1/2″ NPT Male
- Body Material: Rough Bronze
- Seal Material: EPDM
- Stem Packing: Teflon
- Handle Type: Aluminum Wheel
- Pressure Rating: 125 PSI @ 350°F / 300 PSI @ 100°F
Applications
- Hydronic heating systems
- Steam boiler gauge glass assemblies
- Hot water heating and distribution systems
- Industrial and commercial plumbing installations
The Conbraco 20-104-03 water gauge valve is an ideal choice for contractors and facility managers who require a robust, pressure-rated valve for boiler gauge glass isolation. Its combination of bronze construction, EPDM sealing, and Teflon-packed stem makes it a dependable, low-maintenance solution for both new installations and system retrofits.







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