

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
- Additional information
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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