Taco 329-3 Cast Iron Pressure Reducing Valve 1/2-Inch Sweat Union x 1/2-Inch FPT

The Taco 329-3 is a cast iron pressure reducing valve designed for hydronic heating systems and water supply applications. This durable valve features 1/2-inch sweat union inlet and 1/2-inch female pipe thread (FPT) outlet connections, making it ideal for fast-fill applications in residential and light commercial systems.

Key Features:

• Cast iron construction for long-lasting durability and corrosion resistance
• Pressure reducing function maintains consistent downstream pressure
• 1/2-inch sweat union inlet connection for easy copper pipe installation
• 1/2-inch FPT outlet for threaded pipe connections
• Fast-fill design optimizes system filling time
• Compact design for space-efficient installation

This valve is commonly used in boiler systems, radiant heating loops, and closed-loop hydronic applications where pressure regulation is critical. The sweat union inlet allows for simple removal during maintenance without cutting pipes, while the threaded outlet provides versatile connection options.