Watts Water Hammer Arrestor: 1/2 in Pipe Size, NPT, 5 15/16 in Overall Ht
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
Need installation or engineering help?
Ask a question
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 WattsWatts 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.













