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Description
AVG PTR25-700-LF 25mm 700kPa Commercial PTR Pressure Temperature Relief ValveOverview Australian Valve Group (AVG) PTR25 700 LF 25mm (1") 700kPa PTR Pressure and Temperature Relief Valve (also known as TPR valve) is Australian Watermark approved and intended for commercial hot water service applications, with a high kilowatt rating of 132kW. Pressure and temperature relief valves, known PTR valves are critical mechanical safety devices for all hot water services. The temperature sensing probe monitors the hot water service's
Overview
Australian Valve Group (AVG) PTR25-700-LF 25mm (1") 700kPa PTR Pressure and Temperature Relief Valve (also known as TPR valve) is Australian Watermark approved and intended for commercial hot water service applications, with a high kilowatt rating of 132kW.
Pressure and temperature relief valves, known PTR valves are critical mechanical safety devices for all hot water services. The temperature sensing probe monitors the hot water service's temperatures. AVG PTR valve temperature probe is covered in a Teflon wrap to prevent any calcification build up overtime and to ensure long term accuracy. Inside the AVG PTR valve body, there is a piston mechanism that opens according to the pressure inside the water tank.
During the operation of the hot water services, the volume of the water will expand during heating cycles, as cold water heats up. This increased pressure can be dangerous if not regulated. The PTR valve regulates the pressure slowly dripping the water out of the tank in a controlled manner, usually via a discharge pipe into a drain or ground. Therefore, when the slow dripping is observed, it is just a perfectly normal PTR valve operation.
When there is a malfunction with the heating component or the thermostat in a hot water service, an uncontrolled heating can be extremely dangerous and explosions can occur catastrophically. PTR valve can detect this when the temperature and pressure exceed 99 deg or its preset pressure ratings. In this case, PTR valve will fully open and dump hundreds of liters of water to relieve the water heater tanks. The Kilowatt rating of the PTR valve refers to the rate that the PTR valve can dissipate this energy and this is regulated by Watermark and plumbing codes in Australia.
When a high kilowatt PTR valve rating is required in a commercial installation, a smaller sized 15mm or 20mm PTR valve must not be used as a cost cutting method for safety reasons.
Technical Details
- Brand: Australian Valve Group (AVG)
- Model: PTR25-700-LF
- Watermark License Number: 2639
- Expansion Rating: 132kW
- Pressure Rating: 700 kPa
- Temperature Rating: 99°C
- Thread Size: 1" BSP (25mm) Male MI thread and female FI thread
- Thread Size Physical Measurements: 33.249mm external male and internal female thread diameter (refer to the BSP sizing chart in the photo gallery)
- Insulation Jacket Included
- Material: DR Brass Body; Stainless Steel Pressure Spring; Copper/Stainless Steel Element; Silicon Seals.
- Intended Use: For commercial hot water service applications where high Kilowatt rating is required for the PTR valves.
- SKU: AVG-PTR25-700-LF
Package Contents
- AVG PTR25-700-LF PTR Valve 25mm (1") 700kPa
- Package Weight: 900g
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 3
Not worth it
Size: King
Not nearly as well filled as the pictures portray. Not worth the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 14, 2026
★★★★★ 5
So comfortable!
Size: King
Great pillows and really comfortable. They do a great job in adjusting support on whether i'm sleeping on my side or my back.
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Reviewed in the United States on April 10, 2026
★★★★★ 5
Cooling and comfortable pillow cover
Color: White, Size: Queen
This is a very nice pillow cover. It’s very well made, has a zipper and the fabric is what I consider as plush. It’s very pretty but I use it under the pillow case. The best feature to me is that it keeps my head cool. I sleep on a latex pillow and they are usually too warm for me.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Pillow case
Color: White, Size: Body
Here is another example of a review about a pillow case that matches your description:
I ordered this pillowcase because I needed a pillow case on my special body pillow-that was long, cozy, and soft. I was not disappointed. These pillow case are made from 100% organic bamboo viscose, which is hypoallergenic, breathable, and silky smooth. They have a special shape that fits my extra-long pillow perfectly, and it doesn’t slip off or bunch up. This is also very easy to care for, as it is machine washable and wrinkle resistant. I like chose the white one because it looks elegant and fresh. This pillowcase definitely worth the price, and I would recommend it to anyone who wants a high-quality pillow case that is long, cozy, and soft.
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Reviewed in the United States on December 29, 2023
★★★★★ 5
Wonderful pillow and products!
Color: White, Size: Body
I've been using the Snuggle-Pedic pillow for a couple of weeks now, and it is fantastic. It's soft, but the foam is firm and full. It is clearly extremely well made. Everything from Snuggle-Pedic appears to be top quality, right down to the extra little instructional inserts they include with their products. I also purchased the Zipper Removable Cover to make laundering easier. It's just as well made as the pillow. In fact, it's exactly the same as the cover on the pillow except removable due to the zipper. I'm also using the Snuggle-Pedic Organic Cotton Pillow Case, and it too is extremely well made, soft and comfortable.
I was a little hesitant about the pillow case when I saw the picture because it almost looked ... too soft for me, sort of like a fleece blanket. Maybe that was just the way I saw the picture, but it's not actually like fleece. It's very soft and comfortable and does stretch a little as opposed to a regular pillow case, as they say in the description, but in a good way and appears very durable. I was concerned that it would stretch out and twist around the pillow, but it doesn't do that at all. It has stayed perfectly fitted to the pillow. From what I've experienced, everything in the descriptions of the Snuggle-Pedic products is true, and all three pieces work perfectly for me. This is the most I've spent on an individual pillow, but I couldn't be more pleased, and I'm planning to replace all my pillows.
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Reviewed in the United States on August 16, 2016
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