A washing machine water hammer arrestor helps reduce pipe banging and vibration when the washer’s water valves shut off. For typical 3/4-inch hose-thread connections, the SECKWHALE straight two-pack is best for buyers seeking brass construction, while the EFIELD and SUNGATOR options offer stainless steel two-packs. The angled tee-style option may suit a different connection layout, and the Sioux Chief model is worth considering only after confirming its fitting style matches your installation.
| Product | Best for | Key detail |
|---|---|---|
| SECKWHALE Straight, 2-Pack | Brass construction | 3/4-inch hose-thread connections |
| EFIELD, 2-Pack | Flexible mounting orientation | Horizontal or vertical installation |
| Sioux Chief 660-HB | Buyers checking retrofit options | Confirm fitting compatibility |
| SUNGATOR Straight, 2-Pack | Included sealing tape | Stainless steel, 3/4-inch GHT |
| SECKWHALE Tee, 2-Pack | Angled connection layout | Tee-style design |
SECKWHALE Straight Brass Arrestors
This two-pack is best for homeowners who want straight, 3/4-inch hose-thread arrestors and prefer a brass component. The listed connection is 3/4-inch male hose thread by 3/4-inch female hose thread, and the product description identifies C46500 brass as its construction material.
The manufacturer lists maximum working conditions of 250 PSI and 180°F. It is selected for its clearly stated thread size, two-piece package, and material details. The arrestors are intended to reduce pipe knocking, vibration, and noise associated with changing water pressure.
Limitation: Choose another style if a straight connection will not fit your valve or hose arrangement. Check the thread type on both sides before ordering.
EFIELD Stainless Steel Two-Pack
The EFIELD pair is best for buyers who need two stainless steel arrestors and want flexibility in mounting orientation. Each unit has a 3/4-inch female swivel hose-thread connection and a 3/4-inch male hose-thread connection. The listed maximum working pressure is 250 PSI.
The product description says these arrestors can be installed horizontally or vertically, making them a useful option when the available space or hose routing affects placement. They can connect at washing machine supply valves or directly to a washing machine tube connection, according to the listing.
Limitation: The supplied feature information does not list a maximum temperature. Confirm the connection layout and available clearance before choosing this model.
Sioux Chief 660-HB Hose Arrestor
This Sioux Chief arrestor is best for buyers who are evaluating plumbing retrofit options and can verify the required fitting before purchase. The product name identifies it as a 3/4-inch water hammer hose arrestor. Its feature information also describes straight arresters for copper, sweat, press-fitting, push-fitting, and specified PEX connection styles.
It is included because the listing describes several installation approaches that may be relevant when addressing water hammer in existing plumbing. However, those connection details do not establish that every version fits a standard washing machine hose connection.
Limitation: The supplied details do not clearly specify the exact washer-hose thread configuration. Verify the model’s connection type and installation requirements before selecting it for a washing machine.
SUNGATOR Straight Stainless Steel Pair
The SUNGATOR two-pack is best for buyers seeking straight 3/4-inch GHT arrestors with sealing tape included. The listing specifies stainless steel construction and male-to-female 3/4-inch GHT connections. It also lists maximum working conditions of 250 PSI and 180°F.
The manufacturer describes this mini residential arrestor as suitable for washing machines, laundry supply valves, garden hoses, and outdoor spigots. It is selected for its stated washer use, two-piece package, and included tape. The listed purpose is to reduce pipe shaking, banging, and noise.
Limitation: This is a straight design, so it may not suit installations that require an angled connection or more clearance around the valve.
SECKWHALE Angled Tee Arrestors
This two-pack is best for buyers whose installation calls for an angled or tee-style arrangement rather than a straight arrestor. The product name lists a 3/4-inch male GHT connection and a 3/4-inch swivel female GHT connection, and identifies the design as angled.
It is selected as a layout alternative to the straight models above. Matching the connection style to the available space can help avoid choosing a product that does not fit the intended arrangement.
Limitation: The supplied product information does not include working-pressure or temperature specifications. Confirm those details and the exact installation configuration before buying.
Buying Guide: Choosing A Washing Machine Water Hammer Arrestor
Which connection size should I check?
Start by checking the threads on the washer hoses and supply valves. Several products here list 3/4-inch GHT connections, but do not assume that every arrestor uses the same thread style on both ends. Compare the product’s male and female connection descriptions with your installation.
Should I choose a straight or angled design?
A straight arrestor is a straightforward choice when the hose can connect in line with the valve. An angled or tee-style product may suit a different layout, but confirm that its shape and connection arrangement fit the available space. Do not select by appearance alone.
Does material or orientation matter?
Choose based on the details that matter to your setup. The SECKWHALE straight model lists brass construction; EFIELD and SUNGATOR list stainless steel. EFIELD specifically says it can be installed horizontally or vertically. Check each product’s instructions and specifications rather than assuming that all designs share the same installation options.
How many arrestors do I need?
The listed straight options from SECKWHALE, EFIELD, and SUNGATOR come as two-packs. The right quantity and placement depend on your washer’s supply arrangement and the product instructions. If connection compatibility or installation is uncertain, consult a qualified plumber.
Frequently Asked Questions
What does a washing machine water hammer arrestor do?
It is intended to reduce the impact, pipe movement, and noise associated with sudden changes in water flow when a washing machine valve closes.
Do these products use the same thread size?
Several listings specify 3/4-inch GHT, but connection details vary. Check both ends of the arrestor against the hose and valve before purchasing.
Can a water hammer arrestor be installed vertically?
The EFIELD listing specifically says it can be installed horizontally or vertically. Check the product instructions for other models.
Can an arrestor fix every pipe-banging problem?
No product information here guarantees that it will resolve every cause of banging. Persistent noise or vibration may require checking the plumbing system and installation.