SKU: 74861083994

AVG TVA20HF-LF 20mm HI-FLO Commercial Tempering Mix Valve

Sale price$171.45 Regular price$190.50
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Description

AVG TVA20HF-LF 20mm HI-FLO Commercial Tempering Mix ValveOverview AVG TVA20HF LF HI FLOW commercial tempering valve has BSP 20mm 3 4" compression fittings at all three ends and features copper olives. Australian Watermark Approved. The tempering valve's higher flow rate valve allows for increased flow at lower inlet pressures. The TVA20HF LF tempering valve can automatically mix the cold and hot water inputs and outputs a steady 50 deg hot water after mixing. The commercial tempering valve is required in

Overview

AVG TVA20HF-LF HI-FLOW commercial tempering valve has BSP 20mm 3/4" compression fittings at all three ends and features copper olives. Australian Watermark Approved. The tempering valve's higher flow rate valve allows for increased flow at lower inlet pressures. 

The TVA20HF-LF tempering valve can automatically mix the cold and hot water inputs and outputs a steady 50 deg hot water after mixing. The commercial tempering valve is required in Australia by law in the plumbing rules as it is a safety device. Without mixing, the hot water straight from the hot water services can exceed 70 deg and can cause severe instant burns when in contact with skin. 50 deg feels hot, yet without the dangers of burning. When required, the output temperature of the tempering valve can be adjusted between 40-50 deg.

Technical Details

  • Brand: Australian Valve Group (AVG)
  • Model: TVA20HF-LF
  • Thread Size: 3/4" (20mm) BSP Compression with Copper Olives (20C x 20C x 20C)
  • Physical Thread Measurement: 26.441mm internal/external thread diameter (Refer to the BSP sizing chart in the photo gallery) 
  • Material: DR Brass Body
  • Maximum Hot Water Supply Temperature: 85 deg
  • Adjustable Outlet Temperature: 40-50 deg
  • Set Temperature: 50 deg Standard (Must be commissioned on site by installer)
  • Accuracy of Outlet Temperature: +3 deg (Tested as per AS4032.2)
  • Minimum Temperature Differential: 10 deg
  • Maximum Working Pressure: 1400Kpa (Static) and 500Kpa (Dynamic)
  • Pressure Supply Differential: 2:1 Maximum
  • Maximum Permitted Pressure Variation: ±10%
  • Minimum Flow Rate: 4L/Min
  • Features: High temperature resistance, tamper-proof adjustment, integrated strainers and check valves, insulation jacket included
  • Intended Use: Commercial use where more flow is required at lower pressures.
  • SKU: AVG-TVA20HF-LF

Package Contents

  • AVG TVA20HF-LF Commercial Tempering Valve with Insulation
  • Package Weight: 2000g

 

Shipping Notes
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Exchange/Return Notes
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SKU: 74861083994

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★★★★★ 5
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Size: Full, Size: Full
Writing this after my toddler spilled a ton of water on my bed (a new mattress). I didn't realize what she had done for about 1 minute. By the time I got her off the bed, pulled the sheet off and pulled the mattress protector off, the mattress was still dry! I felt the bottom plastic part of the mattress protector and could feel the coolness of the water, but not dampness. This thing works! Note, I don't know how it would perform if I had left it for a really long time. The protector is also very soft on top, not noisy, and easy to stretch over the mattress. You can kind of see the square shapes of the protector through the sheet, but I personally don't care. It was a great buy.
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Reviewed in the United States on March 25, 2026
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susan
Whiting, US
★★★★★ 5
Great Waterproof Mattress Protectors
Size: Twin XL
These are very nice mattress protectors. I purchased the x long twin size for my California King Bed. I like the feel of the quilted cotton top and they fit my extra deep mattresses just right. they washed and dried well.
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Reviewed in the United States on April 22, 2026
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Bernie K.
Los Angeles, US
★★★★★ 5
Very nice. Wash well
Size: Twin XL
Really nice. Fit well
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Reviewed in the United States on May 18, 2026
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Karen Caldwell
Grantham, US
★★★★★ 5
Soft & well made
Size: Queen
Nice mattress cover. Soft & smooth. Washes well.
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Reviewed in the United States on June 4, 2026
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B. Lee
Battle Creek, US
★★★★★ 5
Fits smoothly
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I really like it. It fits smoothly with no wrinkles and no "crackling" noise. I have an older mattress that is not as deep as the newer mattresses and I have a hard time with new sheets being too loose and wrinkly. This mattress protector has all around elastic that should make it fit any size.
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Reviewed in the United States on May 19, 2026

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