SKU: 34184348119

AVG PRVB20-BV20 Boundary Pressure Reduction Valve with Isolation Ball Valve

Sale price$49.50 Regular price$55.00
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Description

AVG PRVB20-BV20 Boundary Pressure Reduction Valve with Isolation Ball ValveOverview The AVG PRVB20 BV20 pressure reduction boundary valve PRVB features a unique combination 20mm pressure reducing and isolation ball valve design in a right angle. The boundary pressure reduction valve is designed to limit the water pressure to 500kPa entering into residential dwellings and is usually installed adjacent to the wall of the building, which allows for convenient water isolation and easy boundary identification. The AVG PRVB20 BV20

Overview

The AVG PRVB20-BV20 pressure reduction boundary valve PRVB features a unique combination 20mm pressure reducing and isolation ball valve design in a right angle. The boundary pressure reduction valve is designed to limit the water pressure to 500kPa entering into residential dwellings and is usually installed adjacent to the wall of the building, which allows for convenient water isolation and easy boundary identification. The AVG PRVB20-BV20 is supplied with a universal loose nut adaptor, making the valve suitable for either a male or female wall thread connection.

The PRVB pressure reduction valve boundary is commonly found in almost all recent and new home builds, making this valve extremely versatile. AVG also makes another popular version of the PRVB pressure reduction valve boundary in a brass finish without a ball valve known as PRVB20-500C, which is offered in our online store also. 

Technical Details

  • Manufacturer: AVG
  • Model: PRVB20-BV20
  • Thread Size: 3/4" BSP (20mm) Male MI or Female FI Thread to Compression Fitting End with Copper Olive (20MI/FI x 20C)
  • Physical Thread Measurement: 26.441mm, refer to the BSP vs Physical Thread Measurement Table in the photo gallery
  • Material: Lead Free DR Brass Body
  • Factory Pressure Setting: 500kPa
  • Features: Combination of isolation ball valve and pressure reducing valve at a right angle
  • Flow Rate: 170L/min
  • Max Temperature: 80 deg
  • Max Inlet Pressure: 1600kPa
  • Intended Use: Limit the mains water supply pressure to 500kPa to residential dwellings
  • SKU: AVG-PRVB20-BV20

Package Contents

- AVG PRVB20-BV20 pressure reduction boundary valve with isolation ball valve

- Package Weight 660g

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 34184348119

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4.1 ★★★★★
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Janessa L.
Fort Morgan, US
★★★★★ 5
I want to live in these
Color: 01-multicolour (4-pack), Size: Medium
I bought 4 different sets of new underwear. Unfortunately these came last. It’s unfortunate, because if they had come first I would have cancelled all my other orders or returned them and ordered more of these. I never want to wear anything else ever again; these are the comfiest undies I’ve ever owned, I want to live in them. I can wear them under pretty much anything except leggings or very tight pants (but let’s be honest, I don’t wear those anyway.) They are incredibly soft and breathable, they wash well, don’t roll, keep my thighs from rubbing, are comfy to sleep in, and the colors were true to the photo. Just a heads up, they are on the thin side and just a bit see through in the rear. I’m 5’5” 140lbs and the mediums fit perfectly, they go about mid-thigh.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 30, 2025
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Pistol King
Dallas, US
★★★★★ 5
Extremely comfortable
Color: 02-multicolour (4-pack), Size: X-Large
These are by far the softest and most comfortable underwear I have ever owned. The leg portion absolutely does roll up as so many others have mentioned, however, I did not find that to be uncomfortable at all just annoying that they don’t stay in place. I bought these specific underwear to see if it would help alleviate HS symptoms at all. They have definitely helped with wicking moisture away from the skin. More time will tell if it’s truly helpful for HS. For now, I will recommend these. They are thin, breathable, butter soft, wick moisture comfortable and I would buy again…maybe in a different style next time. I have washed them several times and they seem to be holding up rather well so that is also of supreme importance given the cost of the item. Again, I would recommend this item and plan on purchasing more in a different style very soon.
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Reviewed in the United States on September 13, 2025
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Amazon Customer
Cuba, US
★★★★★ 3
Eaten by my Thighs
Color: 04-multicolour (4-pack), Size: X-Large
I wanted to love them. Sadly they have let me down. Pros: natural breathable fabric , super soft and comfortable, cotton panty gussets for feminine health and panty liners will stick!! Yay:). And the colors! They are great! But here’s the Con. And it’s the con of all cons. THEY RIDE UP!! Eaten by my thighs. I’m 5’6” and in the general area of 175. I fluctuate depending on how many times I visit the bakery! :) I don’t have a thigh gap but it is not a super tight thigh squeeze. I seldom have thigh climb but these do. I tried two different sizes to see if that made a difference. Nope. I was miserable at a recent theme park in these. I was wearing long heavy dresses and it was quite awkward to yank these legs down non stop. They feel amazing and they have all the requirements 1. Soft 2. Comfortable and stretches with you 3. Breathable with nice thin fabric. Not bulky 4. Natural fibers 5. Great colors If you are a person that is not blessed with Thunder Thighs, please order these. They are great! I wear them at home and to locations that I will not be doing a lot of walking at. I have washed them so many times and they look like new still.
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Reviewed in the United States on October 4, 2025
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Ally Cat
Louisville, US
★★★★★ 5
Best Boxer Briefs for Women!
Color: 09-multicolour (4-pack), Size: Large
I rarely give 5⭐️’s but these deserve it! Hands down, the most comfortable material, stitching, waistband, moisture wicking and overall comfort. They sit right beneath my bellybutton, they wash and dry well and they’re sturdy. I have tried 3 styles and these are the best.
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Reviewed in the United States on February 7, 2026
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Deeanna L. Faery
Cuba, US
★★★★★ 5
Best undergarments!
Size: XX-Large, Color: Set-unbl
These r amazingly soft and very comfy. I would highly recommend and will definitely be getting more. No ride ups either
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Reviewed in the United States on March 19, 2026

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