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Watts LF15M2-A Water Hammer Arrestor, 1/2 in NPT, Brass - Water Hammer Arrestors
WattsWater Hammer Arrestors

Watts LF15M2-A Water Hammer Arrestor, 1/2 in NPT, Brass

The WATTS Water Hammer Arrestor (MPN LF15M2-A) is a brass-bodied arrestor with a 1/2 in pipe size and NPT connection. It has an overall height of 5 15/16 in and an overall diameter of 1 1/8 in.

SKU 3G-OTH-440120

Also listed as: LF15M2A · LF15M2 A

Brand
Watts
Item
LF15M2-A Water Hammer Arrestor, 1/2 in NPT, Brass
Part Number
LF15M2-A
Category
Water Hammer Arrestors
Available to Order
Also known as:LF15M2-AWatts
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Watts
Manufacturer Part Number
LF15M2-A
Type
NPT
Overall Ht
5 15/16 in
Overall Dia
1 1/8 in
Body Material
Brass
Connection Type
NPT

Technical Documents

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Water Hammer Arrestor (MPN LF15M2-A) is a brass-bodied arrestor with a 1/2 in pipe size and NPT connection. It has an overall height of 5 15/16 in and an overall diameter of 1 1/8 in.

Frequently Asked Questions

What is a WATTS water hammer arrestor used for?

A WATTS water hammer arrestor absorbs shock in plumbing systems when fast-closing valves suddenly stop water flow. It prevents pipe damage, noise, and vibration in commercial and industrial applications. The LF15M2-A model with 1/2 in NPT connections is suitable for branch lines in HVAC, process, and supply systems.

What are the specifications of the WATTS LF15M2-A water hammer arrestor?

The WATTS LF15M2-A water hammer arrestor has a 1/2 in pipe size with NPT connections, a brass body, overall height of 5 15/16 in, and overall diameter of 1 1/8 in. It is designed for plumbing systems to mitigate pressure surges from quick-closing valves.

Where to buy a WATTS water hammer arrestor worldwide?

3G Electric supplies the WATTS LF15M2-A water hammer arrestor to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this brass-bodied arrestor with 1/2 in NPT connections.

How to install a WATTS water hammer arrestor?

Install the WATTS LF15M2-A water hammer arrestor vertically or horizontally on the branch line near the quick-closing valve. Use thread sealant on the 1/2 in NPT connection and tighten to manufacturer torque specs. Ensure the arrestor is accessible for future maintenance and not subjected to freezing temperatures.

Used in

Common applications for Watts
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
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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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