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150A-HA, 3/4" Water Hammer Arrestor

Brand:
Watts
SKU:
0269508
Rating:
(6)
Q&A:
(3)
150A-HA, 3/4" Water Hammer Arrestor
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0269508 has been discontinued
Discontinued May 9, 2013
This product was discontinued by the manufacturer.

Non-Potable Water Applications

This product does not comply with the “Safe Drinking Water Act,” which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking). This item is for non-potable (non-human consumption) water applications only.
Direct Replacement:
3/4" LF150A-HA, Water Hammer Arrestor, Lead Free
Brand:
Watts
SKU:0121231
(7)
VIEW REPLACEMENT
VIEW REPLACEMENT

Product Highlights

Product Highlight: Material
Stainless Steel
Product Highlight: Size
3/4"
Product Highlight: Connection Type
MNPT Connection

Description

Series 150A Water Hammer Arrestors are used in residential applications to control water pressure shock and prevent water hammer conditions. It consists of a pre-charged air chamber that is rechargeable, an air-tight sealing cap, standard tire valve connection for easy charging, stainless steel top, sealed-in diaphragm, lower stainless steel chamber, and brass hex adapter for easy installation. It can be installed in new or existing plumbing systems in any angle.

Specifications:
  • Model 150-HA is a 3/4 in. fitting. (adapter only)
  • Maximum Working Pressure: 150psi (10.3 bar)
  • Maximum Shock Pressure: 200psi (13.8 bar)
  • Maximum Velocity: 10 F.P.S.

Specs

Material:

Stainless Steel

Size:

3/4"

Connection Type:

MNPT

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Product Reviews

3.5 out of 6 reviews
67% would recommend this product
3.5
out of 6 Reviews
67% would recommend this product
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5 star
33%
4 star
33%
3 star
0%
2 star
17%
1 star
17%
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Showing 1-6 of 6 reviews

Disappointed

First of all, excellent service by PexSupply.com. The products were a big disappointment. I purchased them in hopes of solving water hammer issues with a front load washer. I received the water hammer arrestors within 2 days of ordering from PexSupply.com. I installed them, turned the water back on, and could not stop them from leaking, no matter what I tried. Needless to say, I never got to use them, and they have been returned.
Sam
Connecticut
13 years ago
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Poor Quality Control

Ordered two of these for my washing maching to quiet the hammering. One of them leaked from the factory installed hose attachment, not a good average. Poor quality control from the factory.
homeowner
Long Island, NY
14 years ago
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Works Great!!!!

The water Hammer arrestor did not come attached to the pipe which had to be tighten with a special tool. Once it was tighten and hooked up it worked great.
Jen
Brooklyn, New York
14 years ago
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Water Hammer arrested, and banished

Bought front loader washer and dryer. House would shake from the banging water hammer. Bought two 150A-HA, 3/4 Water hammer arrestors, for hot and cold water lines. Followed directions included, screwed both right on with a bit of thread tape and it works like a charm. Now I dont wince anymore when I do my wash. Not so great; had to replace one of the hoses that came with the washer as screw on part would leak.
Mike S.
Orient Point, New York
15 years ago
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Good quality ----Reasonably priced

Purchased this W/H Arrestor to prevent a continuous & rythmic knocking sound in my hot water recirculation line when hot water is running. Installing this quality arrestor did not fix my problem. I continue looking for a solution.This arrestor appeared to be of high quality,installation was straight forward [...] at a reasonable price.
Merchant response
16 years ago
There are many factors in the effectiveness of this unit; for example distance from the problem area in the system and using the proper size unit for your system.
FLY GUY
COEUR d'ALENE, IDAHO
16 years ago
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Does a great job

It does a great job of eliminating the banging of my pipes that started when I got a new front-load washing machine. It was a little trick to install. There were persistent leaks and it was hard to tell where they were originating. Finally I figured out it was the connection between the arrestor and the t-pipe that was attached to it (it arrived with this pipe on it) and I did not have the correct tool to tighten that connection. I had to take both of them (I had ordered two - one for hot and one for cold) to the hardware store and get help tightening the connection. Once I got the 'factory' connection tight enough, I was able to install them without difficulty. They work GREAT! I don't miss the 'thunk' every time the washer stops drawing water a single bit!
jmwest
Milwaukee, WI
16 years ago
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Product Q&A

3 Questions
3 Questions
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Q: I'm looking into installing this arrestor but I don't know the dimensions, can you help? Also can this be installed upside down or sideways as well as the way it is shown in the picture.

Asked by Geno 14 years ago

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Verified Author and ReplyVerified Reply- PexSupply Staff

This arrestor can be installed vertically, horizontally, or at any orientation. It measures 3-13/32" wide x 4-5/16" tall.

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- Another PexSupply Customer

Size needed must match existing pipe diameter. Just measure the pipe diameter/width you'll add the device to. If pipe is 1/2" then buy 1/2" device, etc. Usually 1/2" or 3/4" pipe in residential setting. Device is installed in line but perpendicular with pipe. Keep in mind that device is pressurized with air and in case any air must be pumped into or relieved from it, the valve (looks like nipple in picture ) must be accessible. They should be inspected once a year but are basically fool proof. I have quite a few 1/2" and 3/4" brand new in box for sale, never used: ****@***.*** JS

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- Another PexSupply Customer

These links should help. http://media2.wattswater.com/ES-150A.pdf http://media2.wattswater.com/1910323.pdf I think you can install them at what ever angle necessary.  In order to set the pressure properly you'll need air compressor.  They didn't solve my hammer problems (washing machine valve open and shuts quickly), but I'm not sure if I have the pressure set properly either.

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- Another PexSupply Customer

Its about the size of a large grapefruit and mine are installed sideways and work just fine. I have one each for hot and cold water lines behind my washing machine.

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- Another PexSupply Customer

Geno, I installed my arrestor in the inlet side of my well-water filter to stop water-hammer, when it back flushes (see attached pics) and it works great. Although I installed mine vertically, you can install yours at any angle, because it has a pre-charge in it. Good luck! T. Shaik

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- Another PexSupply Customer

Not sure about the dimensions but yes you can installed the arrestor upside down.

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Q: I have a problem with my lawn sprinkler system. Every time a zone suts down it bangs. I know I have to add a n arrestor but don't know which one. I have 3/4 copper line to the sprinklers. Can I use this arrestor? I want to swest in a 3/4 't' tne attach a threaded female fitting and screw in this arrestor. Will that work? I think I read that the threads on this arrestor are only 1/2 inch is that right? Will this one work for me?

Asked by 15 years ago

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Verified Author and ReplyVerified Reply- PexSupply Staff

This is a 1/2" water hammer arrestor with a 3/4" hose thread fitting.

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Q: looking for something that will work outside on an irrigation system where the valve shuts off too fast

Asked by eric 15 years ago

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Verified Author and ReplyVerified Reply- PexSupply Staff

We are not aware of any parts like this that work outside.

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