Watts 009-020 20mm ¾" RPZ Reduced Pressure Zone Backflow Preventer Device/Kits
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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Stan Ohis
Carnegie, US
★★★★★ 4
Great for Sensitive Skin… But Your Wallet Might Feel It
Size: 60 Count (Pack of 12)
These wipes are one of those “you see the difference immediately” kind of products. They’re super gentle, no strong smell, and they feel clean; like actually clean, not coated in random stuff. I’ve used them on sensitive skin and had zero issues, which already puts them ahead of a lot of other wipes. The only thing...maybe two…are... they’re not cheap. So every time I grab one, there’s a tiny voice in my head like “was that wipe necessary?”. Secondly they are not very easy to pull out of the pack, so you end up pulling out more than you need. But honestly, for how gentle and effective they are, I get why people swear by them. If sensitive skin is a concern, these are definitely worth it.
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Reviewed in the United States on March 29, 2026
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Nicaury
Fort Morgan, US
★★★★★ 5
The Best Baby Wipes – Gentle and Effective
Size: 60 Count (Pack of 12)
I am in love with these wipes! I have been buying them for my daughters for years, even before the packaging changed. They truly deliver what they promise: 99% water and no fragrance, which is exactly what you want for a newborn. My baby has never had any irritation, and the wipes are very moist, so you don’t need many to clean your baby effectively. They are completely worth the cost, and I will continue purchasing them.
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Reviewed in the United States on March 9, 2026
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Dyshonn Simms
Massapequa, US
★★★★★ 5
Great
Color: Pink
My daughter loves it
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Reviewed in the United States on May 9, 2026
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Danielle
Massapequa, US
★★★★★ 5
Worth it
Color: Lightgreen
My grandbabies love brushing their teeth like their parents!
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Reviewed in the United States on March 29, 2026
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Charlene Griffin
Alexandria, US
★★★★★ 4
Toothbrush is toddler size only
Color: Pink
This toothbrush is more for toddlers and not for school age children. The water flosser portion can be for older children
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Reviewed in the United States on January 22, 2026

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