SKU: 54347044902

Watts 009-020 20mm ¾" RPZ Reduced Pressure Zone Backflow Preventer Device/Kits

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Description

Watts 009-020 20mm ¾" RPZ Reduced Pressure Zone Backflow Preventer Device/KitsOverview The listing is for Watts 009 020 20mm 3 4" RPZ Reduced Pressure Zone backflow preventer range in 3 configuration variants Device Only (009 020) Kits with Strainer & 2 Lockable Ball Valves (009 020 LBS) Kits with 2 Unions, Strainer & 2 Lockable Ball Valves (009 020 ULBS) The Watts RPZ reduced pressure zone backflow preventer takes the backflow prevention protection one step further than a conventional DCV double check valve. Compared to a

Overview

The listing is for Watts 009-020 20mm 3/4" RPZ Reduced Pressure Zone backflow preventer range in 3 configuration variants

- Device Only (009-020)

- Kits with Strainer & 2 Lockable Ball Valves (009-020-LBS)

- Kits with 2 Unions, Strainer & 2 Lockable Ball Valves (009-020-ULBS)

The Watts RPZ reduced pressure zone backflow preventer takes the backflow prevention protection one step further than a conventional DCV double check valve. Compared to a Watts DCV, the WATTS RPZ features an additional differential release valve in the center of the valve body. In case of a check valve mechanical failure or debris caught inside, the differential release valve will open to cut off the contaminated water source to the portable water mains supply.  This Watts RPZ backflow preventer employs two in-line, independent check valves, captured springs and replaceable check seats with an intermediate relief valve. The Watts RPZ is compatible with other popular brands such as Fabco, Tyco, Wilkins and Conbraco Apollo.
This makes the Watts RPZ the only suitable device when there are potentially dangerous cross-connections such as swimming pools or sewage processing plants, where a DCV is deemed as insufficient protections by water authorities in accordance to national plumbing codes.

A Watts RPZ is usually significantly more expensive than the equivalent DCV counterparts, even though they may look very similar. Customers need to check with the local plumbing authority to ensure the correct backflow preventers are used for the jobs. 

All Plumbing Online stocks and supplies both Watts DCV and RPZ in full range of sizes and kits configurations. Just ask me any further questions if still unsure between Watts DCVs and RPZs. All Watts DCV and RPZ are Watermark approved and are one of the most popular kits in Australian market due to its reputations and values for money.

 

Technical Details

Manufacturer: Watts
Specifications:

Maximum Working Pressure: 1400 kPa
Temperature Range: 0.5°C to 90°C

Thread Size: BSP 3/4" 20mm

Thread Physical Measurements: 26.441mm external male/internal female thread (refer to the BSP vs Physical measurement table chart in the photo gallery)

Material: DR Brass
Features:

  • Internal relief valve for reduced installation clearances
  • Top entry single access cover and modular construction for ease of maintenance 
  • Replaceable seats and seat discs
  • Modular construction
  • Compact design
  • Cast bronze body construction
  • Top mounted ball valve test cocks 
  • Low pressure drop
  • No Special tools required for servicing 

Intended Use: Prevent backflow to protect drinking water supplies from contamination 

 

Warranty

1 year replacement (parts only) warranty from purchase date is offered by All Plumbing Online. 

 

Return Policy

30 days worry free return is offered for peace of mind. All returned items must NOT be installed or with any water running through them. The original packaging must be supplied in resealable conditions. 

 

Contact Us

All Plumbing Online is a local business based in Brisbane, run by an experienced engineer who works as a consultant to the plumbing industry at manufacturers' level. I used to operate my own plumbing company and can answer any of your plumbing related questions, such as fitments, sizing or just chatting in general for advice.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 54347044902

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4.4 ★★★★★
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Brian C.
Fort Morgan, US
★★★★★ 5
Big guy, big smiles!
Size: XX-Large, Color: Mg03- Ethnic
I picked two different patters of these lightweight hoodies for golfing and they're now an everyday item! Active wise, these stretch in every direction while moving without friction. I wore this hoodie for the first seven holes before the sun broke through the clouds without noticing it. My only concern, while premature is the stiching on the sleeves. I felt the loops catching the velcro on my glove a few times, but after 7 holes, and 20+ shots, I didn't see any sign of abrasion. I'm a big guy, 6'4" 290# I usually wear a XLT shirt and picked these up as XXL. Wasn't swimming in them, they fit nicely and fell in line with the hem of my shirt. I plan to buy several more!
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Reviewed in the United States on March 12, 2026
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Verified Purchase
Doug S
Dallas, US
★★★★★ 5
Title: Exceptional Comfort and Fit: M MAELREG Hoodies for Men Review
Size: XX-Large, Color: Mg02- Dark Green Heather
I recently purchased the M MAELREG Hoodie for Men, and I must say it has quickly become my go-to choice for comfort and style. This hoodie is not only a great addition to my wardrobe but also a standout performer in terms of softness, fit, and versatility. One of the standout features of this hoodie is its incredible soft feel. I appreciate the fact that it is comfortable enough to wear without an undershirt, making it perfect for various casual occasions. The fleece material is not only soft against the skin but also provides a cozy warmth without sacrificing breathability. For those of us who don't conform to the skinny jeans trend, the M MAELREG Hoodie offers a breath of fresh air. The hoodie provides plenty of room without compromising style, making it an excellent choice for those who prefer a more relaxed fit. It's a welcome departure from the snug styles that dominate the market. I'm 6'3" and 250 lbs, not particularly muscular, and finding a hoodie with the right fit has always been a challenge. However, the XXL size of this sweatshirt exceeded my expectations. It not only has shape but also boasts an impressive arm length of 37-38 inches. The body length also dropped below the typical fit by a few inches, which I love. As someone who enjoys golf and various outdoor activities, I appreciate the versatility of this hoodie. It provides the perfect balance for cool weather, keeping me comfortable without feeling bulky or restrictive. The hoodie's design and fit make it suitable for a range of activities, making it a valuable addition to my wardrobe. In conclusion, the M MAELREG Hoodie for Men stands out for its exceptional softness, roomy fit, and versatility. Whether you're heading out for a round of golf or simply want a comfortable, stylish option for everyday wear, this hoodie delivers on all fronts. I highly recommend it to anyone looking for a reliable, comfortable, and well-fitting sweatshirt that goes beyond the norm.
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Reviewed in the United States on January 28, 2024
J
Verified Purchase
Jordan
Louisville, US
★★★★★ 5
Good but sizes vary
Size: XX-Large, Color: Mg03- Dark Blue Snowflake
These are really great and fit well. I like the variety of colors and designs. Only downside is some are tight and some are loose not sure if its because of the different designs or materials.
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Reviewed in the United States on May 10, 2026
L
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Lawrence Tuik
Bozeman, US
★★★★★ 5
Excellent quality & value
Size: X-Large, Color: Mg00- White
Love these hoodies, excellent for golf and the quality is excellent. I brought 3 already of these nice looking hoodies. I own many other Maelreg shirts.
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Reviewed in the United States on May 30, 2026
I
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Isaac Godbey
West Palm Beach, US
★★★★★ 5
The perfect casual layer—unbelievably soft!
Size: Large, Color: Burgundy
I am seriously impressed with this hoodie. It’s made from a lightweight jersey material that feels just like a broken-in, high-quality t-shirt. It’s perfect for those transitional weather days when a heavy fleece hoodie would be too warm, or for just lounging around the house. The fit is spot on—not too baggy but with enough room to move comfortably. It washes really well without shrinking or losing its shape. For the price, you absolutely cannot beat the value. I'll definitely be buying a few more colors!
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Reviewed in the United States on May 23, 2026

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