SKU: 54347044902

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

$133.65 $148.50
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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 ★★★★★
Based on 842 reviews
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Verified Purchase
Christopher Wilson
Phoenix, US
★★★★★ 4
Very nice suit for wedding or other event.
Size: Large, Color: Navy Blue, Size: Large, Color: Navy Blue
The jacket was a perfect fit, the pants were a little long. Material was nice, and well put together. Overall I was very pleased with this suit for my wedding.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 24, 2025
N
Verified Purchase
Nate s.
Boise, US
★★★★★ 5
Amazing suit for the price
Size: Large, Color: Black
So I didn't really need a suit for anything. But I've been wanting one just in case. As such, I wasn't willing to spend a lot. Yet I still wanted to look good when I wore it. This suit is amazing. I honestly would fit between a medium and a large, and with my current trend down in weight, I may buy an additional in medium(I mean, for under $100, why not?). While my shoulders have always been a little wide for what fits my waist, the large seems to accommodate even more than I need. I worry if the medium will be too tight, but that's for another day. The pants are a little long, to be expected considering I generally wear 30' pants. Easy to hem. The vest seemed a little loose, until I found the adjustment in the back. Now it is perfect. I may still need to go to a tailor for a more custom fit, but for the price it can't be beat. And I of course haven't tied a tie since I was 16, so time to relearn that. As far as quality goes, the fabric and stitching all appear to be excellent. I went with the black, as I don't particularly look great in gray, and navy out here seems more suited for church than anything else. The quality of black is excellent. The quality of the pants is good, but I will still be favoring my dress pants that already fit well. I especially love the angle of the beast cut(whatever it is called). Whether I choose the vest or not, the black contrast with all of my dress shirts is fantastic. I will include photos sometime when I'm not too self-conscious about taking selfies.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 22, 2024
T
Verified Purchase
Tamara A. Price
Lake Worth, US
★★★★★ 5
Really amazing suit that looks like a million bucks!
Size: Large, Color: Black
This is the second suit we bought by Lupurty. The first was dark navy and fit so well and looked so good that we got one in black for our son’s wedding!
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Reviewed in the United States on March 30, 2026
M
Verified Purchase
Maddisun wiles
Carnegie, US
★★★★★ 1
Disgusted!
Size: Small, Color: Black
I’m disgusted! I ordered this for my boyfriend to wear to prom. I ordered him a small and the jacket and the vest were not smalls, they look like they were a large. All three pieces had dog or cat hair on them and the jacket had dirt stains on the inside. They were all used! And some of the stitching was coming out! I’m so glad I received it the same day I bought it, because if received it closer to prom I would have been so screwed!!! Do not buy this or buy from this brand! Terrible product!!
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Reviewed in the United States on April 10, 2026
S
Verified Purchase
spartan
Carnegie, US
★★★★★ 5
Dress to Impress: Sharp, Tailored Fit, Quality Material, and Sizing Tips
Size: X-Small, Color: Navy Blue, Size: X-Small, Color: Navy Blue
This review is for the LUPURTY Men's Suits Slim Fit, 3 Piece Suits for Men, 2 Buttons Solid Jacket Vest Pants, Tuxedo Set (XS navy blue and black sets). I bought the XS knowing my son's measurements were actually below the size guide for that size, but I'm glad I did because it still worked out. The suit was a bit big—especially in the pants, which were quite long, and slightly roomy in the shoulders and arms—but it still looked sharp and well put-together. The overall fit has a clean, tailored appearance despite the extra room. The material feels high-quality and the color is true to what’s shown online. I do wish the black suit came with a black or gray tie instead of blue, which didn’t quite match. The suit in the photos is the navy blue set that my son wore to his 8th grade graduation, which matched their school colors perfectly. I also included my son’s measurements to help others with sizing: Weight 114 lbs Height 5'3" Chest 30.5" Waist 29" Hip 35" Sleeve length 21.5" Shoulder 17" Inseam 29" Back length 18.5"
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 9, 2025

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