Watts D3499375 1" Balancing Valve, MNPT

The Watts D3499375 is an accessory/component item, not a complete automatic control valve assembly.

This 0.5-4 GPM circuit setter delivers precise, reliable flow balancing for hydronic heating applications. Built with durable cast brass and featuring a clear visual GPM readout, it allows installers and technicians to quickly set and verify zone flow.

Features

• 1" MPT half union connections
• No special training or electronic instrumentation required
• Can be used in commercial applications
• Integrated visual GPM flow indicator

Common Questions

Is this a complete valve?

No. The D3499375 is a accessory that mounts on or supports a Watts automatic control valve. It does not include the main valve body. Order the main valve separately if you are replacing a complete assembly.

Specifications

• Type: Balancing
• Size: 1"
• Inlet Size: 1"
• Outlet Size: 1"
• Connection: MNPT
• Country of Origin: Germany
• Warranty: 1 Year Limited
• MPN: D3499375
• Lead-Free: No
• Item Type: Accessory