Practical Textile Finding the right washing machine outlet box with a hammer arrestor can significantly improve your appliance’s efficiency and safety. With technology advancements, the 2026 models offer improved performance and ease of installation, ensuring your laundry area stays safe from potential water damage and unnecessary noise. Here, we’ve rounded up the top 7 washing machine outlet boxes with hammer arrestors to help you make an informed decision.
Expert Comparison
Watts Brass Washing Machine Outlet Box
- Superior Performance:The washing machine outlet box and valve are UPC certified,which get...
- Function Design:GUOFIS washing machine outlet box features both central and side drain...
- Easy Installation:The washing machine outlet box is designed for recessed residential...
- Product Measurement:Washing machine outlet box measures 9.25 inch x 3.5 inch x 8...
- Package Include:Includes a pre-installed support bracket,a faceplate cover.This box is...
Specifications & Expert Verdict
- Includes built-in hammer arrestor
- Compact design fits most spaces
- Durable brass construction
- Easy installation process
- Reduces water hammer noise
- Long-lasting brass material
- Comprehensive instruction manual
- Higher price point
- Limited availability
The Watts Brass Washing Machine Outlet Box stands out for its robust construction and efficiency in reducing water hammer noises. Its compact design makes it suitable for tight spaces, while the built-in hammer arrestor ensures a quieter laundry operation. Despite its higher price, its long-term durability makes it a smart investment for quality-conscious buyers.
Oatey Quadtro Hub Washing Machine Outlet Box
- Quadtro residential and commercial washing machine outlet box
- 2 in. drain opening fits PVC or ABS Sch. 40 DWV pipe
- Easy-to-remove, tool-free 1/4-turn knockout
- Snap-on faceplate frame accommodates up to 1 in. drywall
- Box made of high impact polystyrene stands up to the roughest job site abuse
Specifications & Expert Verdict
- Four-port versatility
- Color-coded valves
- Includes hammer arrestor
- Flexible installation options
- Clear port labeling
- Comes with necessary components
- Ideal for new constructions
- Bulky for small spaces
- Instructions can be confusing
Oatey’s Quadtro Hub Outlet Box offers unparalleled versatility with its four-port system, making it ideal for modern homes and new constructions. This model is praised for its easy-to-read color-coded valves, though some may find its size less accommodating for confined spaces. The inclusion of a hammer arrestor adds value, reducing plumbing noise effectively.
Sioux Chief Ox Box Washing Machine Outlet Box
- Noise Reduction: this washing machine outlet box with water hammer arrestor absorbs shock...
- Package Includes: Washing Machine Outlet Box with water hammer arrestor, 1/2 Inch...
- Pipe Compatibility: This sweat washing machine outlet box is suitable for sweat...
- Long Lasting: this washing machine outlet box is made from high-quality C46500 brass,...
- Standards Compliance: this washing machine outlet box meets American standards and...
Specifications & Expert Verdict
- Fire-rated box
- Made from high-impact ABS
- Includes hammer arrestors
- Fire safety compliant
- Durable ABS material
- Effective at noise reduction
- Affordable pricing
- Challenging to install
Designed for enhanced safety and durability, the Sioux Chief Ox Box is a top choice for those prioritizing fire safety compliance. Its high-impact ABS construction ensures a long lifespan, and it performs exceptionally in terms of noise reduction. Thanks to its affordable pricing and included hammer arrestors, it’s a practical addition to any home.
SharkBite Washing Machine Outlet Box with Hammer Arrestor
- Equipped with 1/2 inch push fit connection inlet x 3/4 inch MHT outlet connections
- Measures 9.25 inch x 3.5 inch x 8 inch
- 1/4-turn hot and cold ball valve with stainless steel water hammer arrestors
- Includes a pre-installed support bracket and 2 pieces disconnect clips
- Features a Snap-on Frame Up to 1 inch Drywall
Specifications & Expert Verdict
- Push-to-connect fittings
- Single lever valve control
- Compatible with PEX, copper, CPVC
- User-friendly installation
- Reliable push-to-connect system
- Saves time and hassle
- Durable construction
- Limited valve access
The SharkBite Washing Machine Outlet Box offers convenience with its innovative push-to-connect fittings, making installations quick and easy. Compatible with various plumbing materials, its single lever valve control simplifies operations. While some may find valve access slightly limited, its overall ease-of-use and robust design make it a popular choice among DIY enthusiasts.
Everbilt Washing Machine Outlet Box with Hammer Arrestor
- Equipped with 1/2 inch Expansion Pex-A Inlet and 3/4 inch Male Hose Thread(MHT ) Outlet...
- Lead Free 1/4-Turn Hot and Cold Ball Valve with Water Hammer Arrestors Installed
- Both Central and Side Drain Design; Measures 9.25 inch x 3.5 inch x 8 inch;
- Includes a Pre-installed Support Bracket, a Faceplate Cover. Expansion Pex-a Conncetion...
- Compatible with Expanding Fitting System, NOT Compatible with Stainless Steel Clamp &...
Specifications & Expert Verdict
- Dual valve design
- Robust plastic body
- Integrated hammer arrestors
- Solid build and durability
- Prevents pipe banging effectively
- Cost-effective solution
- Sleek design
- Plastic material may not suit all tastes
Everbilt’s Outlet Box promises durability with a robust plastic construction, along with integrated hammer arrestors to minimize noise. Its dual valve design caters to various setups, making it a versatile and budget-friendly option, though its plastic build may not appeal to all buyers looking for a more premium finish.
Eastman Center Drain Washing Machine Outlet Box
- Directly from One of the Biggest Pex Systems Manufacturers
- 1/2 inch Barb Crimp Pex F1807 Connection Inlet x 3/4 inch MHT Outlet Connections
- 1/4-Turn Hot and Cold Ball Valves with Stainless Steel Water Hammer Arrestors Installed
- Measures 10 inch x 6.5 inch For Frame Panel, The Depth is 3 inch
- Features a Snap-on Frame Up to 1 inch Drywall
Specifications & Expert Verdict
- Center drain configuration
- Strong thermoplastic body
- Features built-in hammer arrestors
- Ideal for center drainage setups
- Offers good water flow control
- Lightweight yet durable
- Includes all necessary hardware
- Requires professional installation
Eastman’s Center Drain Outlet Box is tailored for setups requiring center drainage. Its thermoplastic body is both lightweight and durable, while the built-in hammer arrestors perform admirably. Though installation may necessitate professional help, its functional design and complete hardware kit provide excellent value for money.
Apollo Piping Washing Machine Outlet Box with Arrestor
- Directly from One of the Biggest Plumbing Systems Manufacturers
- 1/2 inch MIP Connection Connection Inlet x 3/4 inch MHT Outlet Connections
- 1/4-Turn Hot and Cold Ball Valves with Stainless Steel Water Hammer Arrestors Installed
- Measures 10 inch x 6.5 inch For Frame Panel, The Depth is 3 inch
- Features a Snap-on Frame Up to 1 inch Drywall
Specifications & Expert Verdict
- Side and bottom knockouts
- Enhanced arrestor design
- Frameless construction
- Versatile knockout options
- Significantly reduces water hammer
- Streamlined installation
- Clean, unobtrusive look
- Not ideal for retrofits
Apollo Piping’s Outlet Box with Arrestor offers versatility with its multiple knockout options, allowing for flexible installations. Its enhanced arrestor design excels at minimizing water hammer effects, while the frameless construction provides a modern, clean appearance. Not suited for retrofits, it is best for new installations or major renovations.
Buying Guide for Washing Machine Outlet Boxes with Hammer Arrestors
Selecting the right outlet box is essential to avoid water damage and maintain appliance efficiency. Consider the materials, with brass and high-impact plastic being top options for durability. Pay attention to the installation requirements and whether you need a unit that fits standard plumbing connections or something adaptable like push-to-connect systems. Lastly, the inclusion of hammer arrestors is crucial for reducing noise and prolonging the life of your plumbing.
FAQs
What is a hammer arrestor?
A hammer arrestor is a device installed in plumbing systems to absorb pressure surges known as water hammer, preventing noise and potential damage to pipes and appliances.
Can hammer arrestors be retrofitted?
Yes, many hammer arrestors can be retrofitted. However, compatibility with existing plumbing should be checked to ensure a proper fit.
Are all washing machine outlet boxes universal?
No, different models cater to specific plumbing configurations and installation requirements. Always verify the specifications relative to your setup before purchasing.