NIAGARA WATER HAMMER ARRESTOR – Model NHA1

Compact, maintenance-free water hammer arrestor with factory-sealed air charge, suitable for concealed installations in domestic and commercial plumbing systems.

Technical Data
Operating Pressure: Up to 150 psi (10.6 bar)
Size: 1" (15–25 mm), 1/2"
Temperature range 33°F to 180°F (0.5°C to 82°C)
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Description

This water hammer arrestor is factory air-charged at 60 psi (4.2 bar) and is permanently sealed, making it non-rechargeable in the field. It is designed to protect piping systems and appliances from damage caused by water pressure shock.

The unit features a solid brass NPT hex adapter for easy installation and is ASSE, ANSI, and PDI approved, as well as UPC listed. It can be installed in concealed locations without the need for access panels, providing flexibility in system design.

Technical Specifications:

  • Sizes: 1/2″ – 1″ (15–25 mm)

  • Operating Pressure: Up to 150 psi (10.6 bar)

  • Temperature Range: 33°F to 180°F (0.5°C to 82°C)

Materials:

  • Body: Copper Tubing

  • Piston: Polypropylene

  • Adapter: Brass

  • O-ring: EPDM

Additional information

Size:

1" (15–25 mm), 1/2"

Operating Pressure:

Up to 150 psi (10.6 bar)

Temperature range

33°F to 180°F (0.5°C to 82°C)

Overview

This water hammer arrestor is factory air-charged at 60 psi (4.2 bar) and is permanently sealed, making it non-rechargeable in the field. It is designed to protect piping systems and appliances from damage caused by water pressure shock.

The unit features a solid brass NPT hex adapter for easy installation and is ASSE, ANSI, and PDI approved, as well as UPC listed. It can be installed in concealed locations without the need for access panels, providing flexibility in system design.

Technical Specifications:

  • Sizes: 1/2″ – 1″ (15–25 mm)

  • Operating Pressure: Up to 150 psi (10.6 bar)

  • Temperature Range: 33°F to 180°F (0.5°C to 82°C)

Materials:

  • Body: Copper Tubing

  • Piston: Polypropylene

  • Adapter: Brass

  • O-ring: EPDM

Details

specifications
Operating Pressure: Up to 150 psi (10.6 bar)
Size: 1" (15–25 mm), 1/2"
Temperature range 33°F to 180°F (0.5°C to 82°C)

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