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EFIELD

2PC EFIELD 3/4"Water Hammer Arrestor For Washing Machine,Swivel FHT x MHT

  • Based on 1,157 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Wednesday, Oct 28
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Size: P2


Style: Straight


Features

  • 2 Pieces Stainless Steel Water Hammer Arrester For Washing Machine Supply Valves or Directly to Washing Machine Tube Connection
  • 3/4 inch Female Swivel Hose Thread x 3/4 inch Male Hose Thread; Max working pressure: 250 PSI
  • Can be Installed Horizontally or Vertically
  • Aborb the Unstable Water Shock and Noise to Protect Washing Machine Control System
  • Low lead Brass made body

Size: P2


Material: Brass Stainless Steel


Brand: EFIELD


Color: Stright1


Item dimensions L x W x H: 4.5 x 3 x 2 inches


Connector Type: Coupling


Thread Size: 0.75 inch


Exterior Finish: Brass


Thread Type: HT


Number of Pieces: 2


Brand Name: EFIELD


Number of Pieces: 2


Model Number: 61b94ee2-97b9-4f47-af7a-fb685b0f0fd0


Manufacturer: Efield


Set Name: 2-Piece Set


Unit Count: 2 Count


UPC: 791689828428


Size: P2


Item Dimensions: 4.5 x 3 x 2 inches


Connector Type: Coupling


Thread Size: 0.75 inch


Thread Type: HT


Material Type: Brass Stainless Steel


Item Highlight: Stainless Steel Straight Water Hammer Arrestor,MH-S-241-HAMMER021(2)


Color: Stright1


Exterior Finish: Brass


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Oct 28

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Nice product!
Size: P2 Style: Straight
Nice product! Easy install fits mint. Definitely a noticed difference!! So glad I bought them. Durability still yet to be determined. Value is good, saves the pipes in the long run!
Reviewed in the United States on September 12, 2026 by James Murray
    • Worth the money, hopefully they last
Size: P2 Style: Straight
Fixed ongoing water hammer issues on my washer. Banging noises gone/greatly reduced to the point where you can’t even hear the water shut on/off unless you’re next to the machine. Before installing these things the banging copper pipes would shake the house. My house water pressure previously caused my washer inlet valve assembly to fail. These were super easy to install. Definitely worth the money. We’ll see how long they last…. ... show more
Reviewed in the United States on September 4, 2026 by Kevin M.
    • They work
Size: P2 Style: Straight
Attached the pair directly to washing machine and water hammer issues are gone.
Reviewed in the United States on August 24, 2026 by Amazon Customer
    • Easy DIY improvement
Size: P2 Style: Straight
Good quality. Purchased to reduce the banging in the lines going to my washer. Still can hear them from time to time but much improved. No issues 6 months in.
Reviewed in the United States on August 2, 2026 by JT
    • DIY perfect for those who can
Size: P2 Style: Straight
Very nice well made for the price was great didn't have to have the plumbers schedule an appointment to come n install they wanted way to much coins for parts n labor when they cause our hammer to begin with. So I cut them out n saved a pretty penny thanks
Reviewed in the United States on August 27, 2026 by Danny C
    • They solved the pounding waterline issue
Size: P2 Style: Straight
These arrived quickly and were exactly as described. Install took only moments and solved my issue right away.
Reviewed in the United States on August 24, 2026 by Chris
    • Mostly ineffective, reduced hammer by maybe 50 percent.
Size: P2 Style: Straight
I started getting the water hammer when I switched to a Whirlpool Duet front loader over an old mechanical top loader. On these front loaders the water starts and stops several times at first, measuring out how much water it needs etc. I installed these directly to the washer, the best place for them. Right off the bat, I noticed that the water hammer was hardly reduced at all. Then as each time it would cycle the water, it would get a little better. Maybe toward the last shutoff it reduces the hammer to an acceptable level, But if the water hammers almost like it used to 4 out of 5 water shut off/turn ons during each fill cycle, these are clearly not doing their job. I also can no longer return them as I completely forgot they were even there and was used the banging..until wait a minute, didn't I buy something to fix that? There is no indication of a water pressure issue. I may try installing them on the valve end of the pipe and try that. If there is a change, I may just need another set for both ends. I will update this review once I switch them over. Edit - swapping them to the valve end and there was no change maybe even slightly worse. Swapped them back over to the washing machine inlet end because something is better than nothing, and its reduced hammer by maybe 50 percent now...odd, I didnt install them any differently than I had before. I'll purchase another set but from a higher quality brand. ... show more
Reviewed in the United States on March 26, 2026 by Alan Gagneau
    • Stops the Noise
Size: P2 Style: Straight
Worked great, easy to install. Solved the ‘pex slapping the drywall from the inside’ problem I had with the washing machine lines.
Reviewed in the United States on August 12, 2026 by Scott D. Hamerlinck

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