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Watts Water Hammer Arrestor: 1/2 in Pipe Size, NPT, 4 5/16 in Overall Ht - Water Hammer Arrestors
WattsWater Hammer Arrestors

Watts Water Hammer Arrestor: 1/2 in Pipe Size, NPT, 4 5/16 in Overall Ht

The WATTS Water Hammer Arrestor (MPN LF150A) is a stainless steel device with a 1/2 in pipe size and NPT connections. It measures 4 5/16 in overall height and 3 7/16 in overall diameter.

SKU 3G-OTH-440119

Brand
Watts
Item
Water Hammer Arrestor: 1/2 in Pipe Size, NPT, 4 5/16 in Overall Ht
Category
Water Hammer Arrestors
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Technical Specifications

Watts
Manufacturer Part Number
LF150A
Type
NPT
Overall Ht
4 5/16 in
Overall Dia
3 7/16 in
Body Material
Stainless Steel
Connection Type
NPT
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Water Hammer Arrestor (MPN LF150A) is a stainless steel device with a 1/2 in pipe size and NPT connections. It measures 4 5/16 in overall height and 3 7/16 in overall diameter.

Frequently Asked Questions

What is a WATTS water hammer arrestor used for?

A WATTS water hammer arrestor absorbs the shock wave when a valve closes suddenly, preventing pipe banging and protecting plumbing systems. The LF150A model with 1/2 in NPT connections is commonly installed on washing machines, dishwashers, and commercial fixtures to reduce noise and stress on piping.

What are the specifications of the WATTS LF150A water hammer arrestor?

The WATTS LF150A water hammer arrestor has a 1/2 in pipe size with NPT connections, a stainless steel body, an overall height of 4 5/16 in, and an overall diameter of 3 7/16 in. It is designed for residential and light commercial plumbing systems to mitigate water hammer.

Where to buy a WATTS water hammer arrestor worldwide?

3G Electric supplies the WATTS LF150A water hammer arrestor to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this stainless steel arrestor with 1/2 in NPT connections.

How to install a WATTS water hammer arrestor?

Install the WATTS LF150A water hammer arrestor on the hot or cold water line near the quick-closing valve, using the 1/2 in NPT connection. Mount it vertically or horizontally with the piston chamber oriented upward. Ensure the arrestor is accessible for future maintenance and sized per local plumbing code.

Used in

Common applications for Watts
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

Watts Products

3G Electric supplies Watts water hammer arrestors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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