SKU: 98746667937

AVG TVA20CHP-LF 20mm Solar Rated High Performance Tempering Mix Valve

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Description

AVG TVA20CHP-LF 20mm Solar Rated High Performance Tempering Mix ValveOverview AVG TVA20CHP LF high performance solar rated tempering valve has BSP 20mm 3 4" compression fittings at all three ends and features copper olives. Australian Watermark Approved with License No. 20137. AVG identifies high performance tempering valves with an orange cap. The AVG tempering valve is compatible and direct swap for most mainstream tempering valve brands such as AW, Reliance, Tomson and Nefa with same functions, fitment and similar

Overview

AVG TVA20CHP-LF high performance solar-rated tempering valve has BSP 20mm 3/4" compression fittings at all three ends and features copper olives. Australian Watermark Approved with License No. 20137. AVG identifies high-performance tempering valves with an orange cap. The AVG tempering valve is compatible and direct swap for most mainstream tempering valve brands such as AW, Reliance, Tomson and Nefa with same functions, fitment and similar physical size. 

The AVG TVA20CHP-LF tempering valve is ideal for high temperature and high performance hot water systems, including solar hot water systems, instantaneous heaters, and pumped ring main distribution systems. It automatically mixes the cold and hot water inputs and outputs a steady 50 deg hot water after mixing. The 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 AVG TVA20CHP-LF tempering valve can be adjusted between 40-50 deg.

Technical Details

  • Brand: Australian Valve Group (AVG)
  • Model: TVA20CHP-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: 99 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: Solar Hot Water Systems, Instantaneous Heaters, Heat Pumps, Ring Main Circulation, Standard Hot Water Heaters
  • SKU: AVG-TVA20CHP-LF


Package Contents

  • AVG TVA20CHP-LF Tempering Valve with Insulation
  • Package Weight: 900g

 

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 98746667937

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4.9 ★★★★★
Based on 17 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Whiting, US
★★★★★ 3
Feels cheap, not good for old eyes.
The watch seemed to work good. But it felt cheap, and I was looking for something with better illumination and easier to read. I ended up returning it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 3, 2025
A
Verified Purchase
Amazon Customer
Omaha, US
★★★★★ 5
Cool Watch Great Price
Color: Black
I was looking for a smaller sized 100meter water resistant watch for the gym. It wears smaller than a 40mm which is great for me. 40mm is counting the pushers but its a perfect 37mm. I love the look. It's easy to operate, thin and lightweight. It's comfortable on the wrist, you could sleep with it on.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 27, 2025
K
Verified Purchase
KS
Birmingham, US
★★★★★ 5
Great watch. New model lacks holographic diffraction membrane on the display.
Color: Black
It's a really cool design. It's lightweight, thin, easy to read, and feels well made. I do not find the buttons hard to press. Setting the time is easy. In the showcase video of this watch it clearly has a holographic diffraction membrane on the display, which is what gives it the green reflection as the watch spins around, but that is the older model with the "Atlantis 100" writing on the 12 o'clock position. This new model does not have the holographic diffraction membrane, and that is a bit of a let down for me personally. It was a design feature that really set the watch apart from most other digital watches. It's something to keep in mind if you owned the older model and expect the new one to be exactly the same.
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Reviewed in the United States on September 24, 2025
A
Verified Purchase
Adrian L.
Los Angeles, US
★★★★★ 5
$30 well spent
Color: Black, Color: Black
I haven't worn a digital watch in years. I have a Seiko automatic I wear to work events or anything where I feel like having a "dress" watch (it's not really a dress watch, but just a nice watch) but otherwise, basically rely on my cell phone for telling time and setting alarms. Recently, I've suddenly become interested in digital watches again. I remember how cool the Indiglo feature was on watches as a kid in the early 90s and started researching and comparing. I ended up purchasing one of the $99 Casio G-Shock watches with the solar and atomic clock radio features, and while it's definitely very cool, the wide square shape of the watch face and the curved resin wristband isn't comfortable for me to wear all day. So then I saw this one and figured for $30, it was worth giving it a shot. And I'm glad I did. First of all, the watch is very comfortable to wear all day -- which really should be the most important thing. I don't have super big wrists but also have had issues in the past with wrist sprains and mild tendinitis from typing all day at work and then painting and repairing my home on the evenings and weekends. The small, round watch face is very comfortable and sits well on my wrist. The band is admittedly very cheap and flimsy feeling, but again, $30 watch. I don't particularly care for stopwatch, timer, or alarm features from a digital wrist watch, but the Indiglo is so cool. Casio has stopped using electroluminescence in its watches and newer G-Shocks and similar Casios have a small LED that looks like the crappy old lights in cheaper digital watches from the 80s and 90s. It's disappointing to spend $100 on a new G-Shock to find out that the EL feature has been retired. However, this $30 Timex that feels more comfortable, fits better, and seems to be just as durable, has it.
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Reviewed in the United States on October 23, 2021
R
Verified Purchase
Roberto
Massapequa, US
★★★★★ 4
Very good looking accurate watch but,
Color: Black
As others have said buttons very hard to operate. I'm not sure if it's by design or if they released an abnormally tough run, but they do require intent and strength to push. On the bright side, you'll never (and I repeat NEVER) accidentally press the button and activate something. You have to try hard to push them intentionally, I don't think it's even possible to accidentally press one. The look and feel of the watch are great though and I think the band is actually better quality than most Casio bands. Overall the price increase over similar casios gets you - better light, nice slim profile, and a better band, as well as buttons that won't accidentally push (because they're so tough to lol)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2024

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