Hoffman Specialty
Water Main Vent Valve, 1/2 x 3/4 In with Check Valve, Model 79
Detailed Description
This water main vent valve is designed to automatically release trapped air from hydronic heating and cooling systems, helping improve circulation efficiency and system performance. Built for use with hot, cold, or glycol water mains, it supports consistent operation by preventing air buildup that can reduce heat transfer and cause system noise. Featuring a brass body and built-in check valve, this vent valve is engineered for durability and reliable operation in commercial HVAC and plumbing applications. Its straight-shank design with 1/2-inch female and 3/4-inch male NPT connections allows integration into a wide range of piping systems, making it a practical solution for maintenance teams servicing hydronic systems in facilities, industrial settings, and large buildings.
Features & Benefits
- Brass body
- Built-in check valve
- Straight shank design
- 3/4 Inch NPT male connection
- 1/2 Inch NPT female connection
- Designed for hydronic water systems
- Automatically releases air from piping systems
- Rated for operating pressures up to 75 psi and temperatures up to 250 degrees F
- Tapped at the top for 1/8 Inch NPT safety drain connection for discharging moisture
- Suitable for hot, cold, or glycol water mains where air removal is required for efficient system performance
Specifications
| Manufacturer (Brand) | Hoffman Specialty |
|---|---|
| Manufacturer Item Number | 122667 |
| UPC | 751875018507 |
| Weight (lb) | 1.2 |
| Package Quantity | Each |
| Feature | Genuine OEM |
| Model Number | 79 |
| Operating Temperature | 250º F |
| Pressure | 75 psi max. |
| Restrictions and Compliance |  see PROP 65 WARNING WARNING:This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.p65warnings.ca.gov |