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Water Hammer Arrestors

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Water hammer is a surge of pressure resulting when flowing is forced to stop or change direction suddenly. Water hammer commonly occurs when a valve is closed suddenly at an end of a pipeline system. This is also known as hydraulic shock. This pressure wave can cause major problems, from noise and vibration to pipe collapse. A Water Hammer Arrestor can be installed in the piping system which will absorb the shock, stop the banging, and prevent pipe damage.
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Product Image of Mini-Rester Water Hammer Arrestor - 3/8" O.D. Compression x 3/8" O.D. Female Compression Tee (Lead Free)
$18.13 each
In Stock
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Product Image of Mini-Rester Water Hammer Arrestor - 3/4" F Swivel Hose Thread x 3/4" M Hose Thread Tee
$18.11 each
In Stock
Get 597 by Wed, Jul 30
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Product Image of Hydra-Rester Commercial Water Hammer Arrester - 3/4" MIP Thread
Hydra-Rester Commercial Water Hammer Arrester - 3/4" MIP Thread
SKU: 653-B
Sioux Chief
SKU: 653-B
Brand: Sioux Chief
(41)
$14.03 each
In Stock
Get 643 by Wed, Jul 30
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Product Image of 3/4" Quiet Pipes Washing Machine Hammer Arrestor (Size AA)
3/4" Quiet Pipes Washing Machine Hammer Arrestor (Size AA)
SKU: 38600-OATEY
Oatey
SKU: 38600-OATEY
Brand: Oatey
(23)
$11.11 each
BOX UP & SAVE 5%
$63.24 box of 6
$10.54 each
In Stock
Get 750 by Wed, Jul 30
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Product Image of 1/2" PEX Crimp Straight Water Hammer Arrestor (Lead Free)
$8.09 each
In Stock
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Product Image of Commercial Water Hammer Arrestor - 1/2" MIP Thread
$13.53 each
In Stock
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Product Image of Water Hammer Arrestor - 3/4" F Swivel Hose Thread x 3/4" M Hose Thread Tee
$12.81 each
In Stock
Get 638 by Wed, Jul 30
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Product Image of Water Hammer Arrestor - 1/4" O.D. Compression Tee for Ice Maker Tube (Lead Free)
$13.76 each
In Stock
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Product Image of Water Hammer Arrestor - 3/8" O.D. Compression x 3/8" O.D. Female Compression Tee (Lead Free)
$15.89 each
In Stock
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Product Image of Water Hammer Arrestor - 1/2" Expansion PEX Tee F1960 (Lead Free)
$13.95 each
In Stock
Get 39 by Wed, Jul 30
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Product Image of Water Hammer Arrestor - 1/2" PEX Crimp Tee F1807 (Lead Free)
$13.73 each
Backorder
Get it by Thu, Oct 23 - Tue, Jan 20
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Product Image of Water Hammer Arrestor - 1/4" O.D. Compression x 1/4" O.D. Female Compression Tee (Lead Free)
$15.59 each
In Stock
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Product Image of Water Hammer Arrestor, Straight - 1/2" MIP Thread (Lead Free)
$8.98 each
In Stock
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Product Image of Water Hammer Arrestor, Straight - 1/2" Male Sweat (Lead Free)
$8.82 each
In Stock
Get 1,332 by Wed, Jul 30
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Product Image of Mini-Rester Water Hammer Arrestor - 1/4" O.D. Compression x 1/4" O.D. Female Compression Tee (Lead Free)
$21.26 each
In Stock
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Product Image of 1/2" LF150A, Water Hammer Arrestor, Lead Free
1/2" LF150A, Water Hammer Arrestor, Lead Free
SKU: 0121227
Watts
SKU: 0121227
Brand: Watts
(82)
$69.63 each
In Stock
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Product Image of Hydra-Rester Commercial Water Hammer Arrester - 1/2" MIP Thread
$15.10 each
In Stock
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Product Image of Mini-Rester Water Hammer Arrestor, Straight - 1/2" Male Sweat (Lead Free)
$12.10 each
In Stock
Get 888 by Wed, Jul 30
In Stock
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Product Image of 3/4" Quiet Pipes Male Straight Hammer Arrestor
$16.52 each
In Stock
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In Stock
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Product Image of 1" Quiet Pipes Male Straight Hammer Arrestor
$39.44 each
In Stock
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Product Image of Mini-Rester Water Hammer Arrestor - 1/4" O.D. Compression Tee for Ice Maker Tube (Lead Free)
$19.42 each
In Stock
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Product Image of LF15M2-B, 3/4" Lead Free Water Hammer Arrestor (Threaded)
$37.94 each
In Stock
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Product Image of 537 Diatrol Shock Suppressor
537 Diatrol Shock Suppressor
SKU: 537-1
Amtrol
SKU: 537-1
Brand: Amtrol
(13)
$160.58 each
In Stock
Get 31 by Wed, Jul 30
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Product Image of 1/2" PEX Crimp Straight Mini-Rester Water Hammer Arrestor (Lead Free)
$8.81 each
In Stock
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Product Image of Vacuum Breaker Repair Kit For 118 Series
$3.09 each
In Stock
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Product Image of Hydra-Rester Commercial Water Hammer Arrester - 1" MIP Thread
$46.50 each
In Stock
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In Stock
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Product Image of Mini-Rester Water Hammer Arrestor - 1/2" ProPex Tee F1960 (Lead Free)
$17.15 each
In Stock
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Product Image of 3/4" Male Sweat/Press Hydra-Rester Water Hammer Arrestor
$20.35 each
In Stock
Get 102 by Wed, Jul 30
In Stock
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Product Image of Mini-Rester Water Hammer Arrestor, Straight - 1/2" MIP Thread (Lead Free)
$10.53 each
BOX UP & SAVE 5%
$60.00 box of 6
$10.00 each
In Stock
Get 156 by Wed, Jul 30
In Stock
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Product Image of Mini-Rester Toilet Water Hammer Arrestor - F Swivel Ballcock Nut x M Ballcock Thread Tee
$24.60 each
In Stock
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Product Image of Hydra-Rester Commercial Water Hammer Arrester - 3/4" PEX Crimp
$21.43 each
In Stock
Get 70 by Wed, Jul 30
In Stock
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Product Image of 1/2" Quiet Pipes Male Straight Hammer Arrestor
$11.74 each
In Stock
Get 87 by Wed, Jul 30
In Stock
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Product Image of Mini-Rester Water Hammer Arrestor - 3/8" O.D. Compression x 3/8" O.D. Female Compression Tee (Lead Free)
$20.49 each
In Stock
Get 58 by Wed, Jul 30
In Stock
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Product Image of Mini-Rester Water Hammer Arrestor - 1/2" PEX Crimp Tee F1807 (Lead Free)
$16.47 each
In Stock
Get 130 by Wed, Jul 30
In Stock
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Product Image of 541 Diatrol Shock Suppressor
541 Diatrol Shock Suppressor
SKU: 541-1
Amtrol
SKU: 541-1
Brand: Amtrol
(3)
$277.32 each
In Stock
Get 23 by Wed, Jul 30
In Stock
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Product Image of Vacu-Rester Vacuum Breaker Arrester - 1/2" MIP Thread
$22.14 each
In Stock
Get 5 by Wed, Jul 30
In Stock
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Product Image of 1/2" Quiet Pipes Expansion PEX Straight Hammer Arrestor
$15.85 each
In Stock
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In Stock
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Product Image of LF15M2-C, 1" Lead Free Water Hammer Arrestor
LF15M2-C, 1" Lead Free Water Hammer Arrestor
SKU: 0750162
Watts
SKU: 0750162
Brand: Watts
(5)
$111.70 each
In Stock
Get 69 by Wed, Jul 30
In Stock
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Product Image of Hydra-Rester Commercial Water Hammer Arrester - 1" MIP Thread (15-1/8" Length)
$143.74 each
In Stock
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In Stock
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Product Image of Hydra-Rester Commercial Water Hammer Arrester - 1" MIP Thread (12-5/8" Length)
$88.76 each
In Stock
Get 12 by Wed, Jul 30
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Product Image of Mini-Rester Water Hammer Arrestor, Straight - 1/2" MIP Thread (Lead Free)
$12.20 each
In Stock
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In Stock
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Product Image of 1" MIP Thread Hydra-Rester Water Hammer Arrestor (Lead Free)
$61.71 each
In Stock
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In Stock
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Product Image of Mini-Rester Water Hammer Arrestor - 1/2" PEX Crimp Tee F1807, Stainless Steel (Lead Free)
$15.04 each
In Stock
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In Stock
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Product Image of Mini-Rester Water Hammer Arrestor - 3/8" O.D. Compression Tee for Supply Tube (Lead Free)
$19.39 each
In Stock
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Product Image of 3/4" Quiet Pipes Male Sweat/Press Straight Hammer Arrestor (Size AA)
$11.11 each
In Stock
Get 128 by Wed, Jul 30
In Stock
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Product Image of LF150HA, 3/4" Lead Free Thread for 1/2" Water Hammer Arrestor
$46.14 each
Out of Stock
Get it by Wed, Aug 13 - Wed, Aug 20
Out of Stock
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Product Image of 1/2" Quiet Pipes Male Sweat/Press Straight Hammer Arrestor (Size AA)
$13.56 each
In Stock
Get 40 by Wed, Jul 30
In Stock
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Product Image of 1/2" Quiet Pipes Male Straight Hammer Arrestor, AA
1/2" Quiet Pipes Male Straight Hammer Arrestor, AA
SKU: 39177
Oatey
SKU: 39177
Brand: Oatey
$9.07 each
In Stock
Get 127 by Wed, Jul 30
In Stock
Get 127 by Wed, Jul 30
Resources
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Articles
More About Water Hammer Arrestors
Water hammer is a surge of pressure resulting when flowing is forced to stop or change direction suddenly. Water hammer commonly occurs when a valve is closed suddenly at an end of a pipeline system. This is also known as hydraulic shock. This pressure wave can cause major problems, from noise and vibration to pipe collapse. A Water Hammer Arrestor can be installed in the piping system which will absorb the shock, stop the banging, and prevent pipe damage.
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Bluefin (10)
Dahl (5)
Oatey (11)
Sioux Chief (42)
Spears (1)
Viega (1)
Watts (10)
Zurn (7)

Size

1/4" (4)
3/8" (7)
1/2" (37)
5/8" (3)
3/4" (18)
7/8" (1)
1" (17)

Connection Method

Compression (12)
CPVC (6)
PEX Crimp (8)
PEX Press (1)
ProPEX (7)
Sweat (11)
Threaded (38)

Body Type

Angle (2)
Straight (45)
Tank (8)
Tee (28)

Material

Brass (20)
Copper (57)
Stainless Steel (22)

Review Score

(46)
(5)
(1)
(1)
(1)

Price Range

$1 to $5 (2)
$5 to $10 (5)
$10 to $15 (19)
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