SKU: 89137627221

Reflex RTTV15I-S 15mm Solar Rated High Performance Tempering Mix Valve

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Description

Reflex RTTV15I-S 15mm Solar Rated High Performance Tempering Mix ValveOverview Reflex RTTV15I S solar rated high performance tempering mix valve has BSP 15mm 1 2" compression fittings at all three ends and features copper olives. Australian Watermark approved. The Reflex tempering valve is compatible and direct swap for most mainstream tempering valve brands such as AVG, AW, Reliance, Thomson and Nefa with same functions, fitment and similar physical size. The Reflex RTTV15I S solar rated high performance tempering

Overview

Reflex RTTV15I-S solar rated high performance tempering mix valve has BSP 15mm 1/2" compression fittings at all three ends and features copper olives. Australian Watermark approved. The Reflex tempering valve is compatible and direct swap for most mainstream tempering valve brands such as AVG, AW, Reliance, Thomson and Nefa with same functions, fitment and similar physical size.

The Reflex RTTV15I-S solar rated high performance tempering valve can automatically mix the cold and hot water inputs and output 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 Reflex RTTV15I-S tempering valve can be adjusted between 35-55 deg.

Being a solar rated and high performance variant, the Reflex RTTV15I-S tempering valve can be used in solar hot water heaters and instantaneous gas water heaters where the hot inlet temperature can be very high up to 99 degrees. In these applications, a standard tempering valve cannot handle the high incoming temperature at the hot inlet.

 

Technical Details

  • Manufacturer: Reflex
  • Model: RTTV15I-S
  • Watermark License Number: WMKA21793
  • Thread Size: 1/2" (15mm) BSP Compression with Copper Olives (15C x 15C x 15C)
  • Physical Thread Measurement: 20.995mm internal/external thread diameter (Refer to the BSP sizing chart in the photo gallery) 
  • Material: DR Brass Body and stainless steel filter mesh
  • Maximum Hot Water Supply Temperature: 99 deg
  • Adjustable Outlet Temperature: 35-55 deg
  • Set Temperature: 50 deg Standard
  • Accuracy of Outlet Temperature: +3 deg (Tested as per AS4032.2)
  • Minimum Temperature Differential: 15 deg
  • Maximum Working Pressure: 1600Kpa (Static) and 500Kpa (Dynamic)
  • Minimum Flow Rate: 4L/Min
  • Features: Loose nuts to allow easy removal of the hot and cold inlets ends for servicing and cleaning
  • Intended Use: Solar Hot Water Heater, Instantaneous Gas, Heat Pump, Standard Hot Water Heater and Storage Gas Water Heater
  • SKU: RTTV15I-S

 

Package Contents

  • Reflex RTTV15I-S Tempering Valve 
  • Package Weight: 650g

 

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: 89137627221

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Jenn
New York, US
★★★★★ 3
Great slippers but disappointing quality.
Size: 7.5-8.5 Women/6-7 Men, Color: Ash, Size: 7.5-8.5 Women/6-7 Men, Color: Ash
Extremely comfortable, attractive slippers but the stitching came loose on both leather trim areas almost immediately. I tried to sew/glue down the stitching (as seen in photo) but it kept unraveling. Disappointing as these slippers are great in every other way (though they do run a bit big...I wear a 9 but ended up with a 7.5-8.5 which fits with a bit of room to spare even with thick socks). I just hope they hold up after my latest attempt to stop the thread from pulling out any more as I do really love wearing them. Perhaps I just got a bum pair?
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Reviewed in the United States on April 3, 2024
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Liza Jane
Massapequa, US
★★★★★ 5
Quality and comfort
Size: 10.5-11.5 Women/9-10 Men, Color: Black
Comfortable and fit well. I got these to replace a very old pair that finally wore out! Warmth is medium (I wear puffer booties for when it's really cold). Quality on these is great!
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Reviewed in the United States on March 9, 2026
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V M T R
Pawtucket, US
★★★★★ 5
Can't go wrong with Acorn for as long as they last!
Size: 12-13 Women/10.5-11.5 Men, Color: Charcoal
Acorn is just a great company all around. I had bought my husband these slippers over 20 years ago. They are still in great shape although the sole has worn in some places. But nothing's coming apart! However, I decided to replace them for him. His foot is 10.5 and they are a little hard to get on right away-of course, after over 20 years of having "worn in" the original pair, anything would feel tight. So I'm not holding this against them. They will relax with use. The only difference is that the original sole was black and these are tan. I think I would prefer the black, but since it's only being worn in the house, no big deal. My husband has really cold feet and these slippers never fail to warm his feet right up! He said they feel really soft to walk in and like the cushioning. They're not too heavy and fit him great! I have Acorn slippers myself that I've worn every single day in the house and outside to the mailbox too. They last.
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Reviewed in the United States on April 11, 2026
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Michael
Lake Worth, US
★★★★★ 4
Very warm.
Size: 13.5-14.5 Women/12-13 Men, Color: Navy Blue
Very warm and comfortable. A little difficult to put on with the collared top.
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Reviewed in the United States on January 19, 2026
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Cheryl
Chelsea, US
★★★★★ 5
You won't be sorry
Size: 10.5-11.5 Women/9-10 Men, Color: Black
Great padding for comfort and terrific warmth. I bought a pair of Acorns 30 years ago and still have them. Updated to a new color and now feel the benefit of newer padding! I used the sizing listed for shoes and like the roominess for thicker sox. Well made and a joy to put on. (Wisconsin)
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Reviewed in the United States on December 25, 2025

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