The Haws 6521FR is a freeze-resistant in-wall pneumatic valve system enabling year-round outdoor drinking fountain use.

Key Specifications:

• Water Supply Connection: 1/2″ NPT inlet
• Trap Connection: 1-1/4″ NPT trap
• Flow Rate: 0.4 GPM (1.5 L)
• Min. Install Temp: 50°F (10°C)

Features & Benefits:

• Freeze Protection: Pneumatic valve automatically drains residual water from supply line after shut-off, preventing freezing.
• Insulated Mounting Box: Galvanized steel insulated box installs in a heated interior wall space for protected, reliable operation.
• Adjustable Stream Height: Integrated regulator valve allows easy control of water stream height for user comfort.
• Lead-Free Compliant: Meets NSF/ANSI/CAN 61, NSF/ANSI/CAN 372, California Proposition 65, and the Federal Safe Drinking Water Act.

FAQ

Q: What type of drinking fountains is the Haws 6521FR compatible with?

A: It is designed for use with all Haws single bubbler, freeze-resistant, wall-mounted drinking fountain models.

Q: What is the minimum temperature requirement for installing the 6521FR valve system?

A: The valve must be installed in an interior wall space that maintains a minimum temperature of 50°F (10°C) at all times.

Q: How does the 6521FR prevent freezing in outdoor conditions?

A: The pneumatic operated valve and waste assembly automatically drain leftover water in the supply line back into the temperature-regulated waste cabinet after each use, eliminating standing water that could freeze.

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