Xylem 601402 Vent Repair Kit for Model 78 Water Main Valve

The Xylem 601402 is a genuine replacement repair kit designed specifically for Hoffman Specialty Model 78 water main vent valves. This essential maintenance kit contains O-rings that fit both older and newer valve designs, ensuring proper sealing to prevent leaks and maintain optimal performance in hydronic heating and cooling systems.

Key Features:

• Compatible with Hoffman Specialty Model 78 water main air vents
• Includes O-rings for both old and new valve configurations
• Genuine Xylem/Hoffman Specialty replacement parts for reliable performance
• Designed for high-pressure hot or cold water and glycol applications
• Enables quick restoration of vent valve functionality
• Essential for maintaining proper air elimination in hydronic systems

Regular maintenance with genuine repair kits like the 601402 helps extend the service life of Model 78 vent valves, which are critical components in commercial and industrial HVAC systems. These valves are used on high-pressure water mains, glycol systems, and process applications with specific gravity greater than 0.7, operating at pressures up to 150 PSI and temperatures up to 250°F.