SKU: 91128179350

AW Logi PLV15F-350LF 15mm 350kPa Female Pressure Limiting Valve

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Description

AW Logi PLV15F-350LF 15mm 350kPa Female Pressure Limiting ValveOverview The AW (Austworld) Logi PLV15F 350LF 15mm (1 2") 350kPa PLV pressure limiting valve is commonly used to regulate the supply cold water pressure to hot water heaters on caravans, trailers and tiny homes, when used with an external ball valve or check valve. This 350kPa rating APO PLV pressure limiting valve is equally popular when used as a pressure limiting device in many small appliances such as coffee machines, small water fountains,

Overview

The AW (Austworld) Logi PLV15F-350LF 15mm (1/2") 350kPa PLV pressure limiting valve is commonly used to regulate the supply cold water pressure to hot water heaters on caravans, trailers and tiny homes, when used with an external ball valve or check valve. This 350kPa rating APO PLV pressure limiting valve is equally popular when used as a pressure limiting device in many small appliances such as coffee machines, small water fountains, certain washing machines and dish washers. 

The PLV models with inbuilt check valves are offered also in the All Plumbing Online store under the Caravan RV category.

The AW PLV pressure limiting valve features the same threads, fitments and similar physical sizes with many other valve manufacturers such as Reliance, AVG, Tomson, Nefa and Reflex. This makes the AW PLV pressure limiting valve a perfect direct replacement to an existing valve with no plumbing pipe modifications required. 

The PLV pressure limiting valves usually come in 350, 500 and 600kPa ratings under Australian Watermark standard regulations. Each pressure specification is used on specific plumbing applications, depending the pressure rating requirement of the appliances. The PLV pressure limiting valve regulates the inlet water pressure by employing a sliding piston design internally and creates a pressure drop as the water passes through the valve. This piston design is directional and therefore there is an arrow on each pressure limiting valve body indicating the water flow orientation.  

Engineer's Notes

When a PLV pressure limiting valve fails, it is usually caused by the corrosion and debris clogging-up inside the valve body, preventing the piston's sliding actions over its usage life spans. In most cases, the water pressure and flow rate can drop significantly causing an unsatisfying user experience. In less common scenarios, the opposite can also happen and the pressure limiting valve may lose its pressure limiting ability, potentially blowing up appliances with over pressures. 

A PLV pressure limiting valve can only limit the dynamic pressure of the passing inlet water. The valve can not regulate a static pressure increase inside a water heater when the water heats up and expands, where PTR and ECV valves must be used instead for the pressure relief.

The 350kPa is a nominal outlet pressure rating under Australian Watermark Standard testing condition with a set inlet pressure. In real world situations, the actual mains supply water pressure can fluctuate and vary greatly from locations to locations. This presents a unique challenge for caravans, as the outlet pressure can drop below 350kPa when at a caravan park with a low mains supply pressure. This a very wide spread complaint across the internet and the PLV pressure limiting valve is actually not faulty. The solution is to use a pressure reducing valve instead the pressure limiting valve, because the pressure reducing valve outlet pressure is adjustable on the spot to suit different inlet pressures as required. Check out my "Caravan Plumbing" product categories and my website Blogs for more details.

An external check valve must be used if this plain PLV pressure limiting valve is used in a caravan application, as the check valve prevents the back flow from the caravan water heaters when unplugged from the mains supply. Without the check valve, the water heater can lose all its water and the heating element can burn out in a dry condition. If a caravan specific pressure limiting valve with an inbuilt check valve is required, this product is listed under the "Caravan Plumbing" category. This is a very common error by many customers, as both valves look very similar in appearances and both are called pressure limiting valves with the same 350kPa ratings. 


Technical Details

  • Manufacturer: AW
  • Model: PLV15F-350LF (current LF lead free version)
  • Watermark License Number: WMK26608 
  • Pressure Outlet Rating: 350 kPa
  • Temperature Rating: 80°C
  • Max Inlet Pressure: 2000kPa
  • Flow Rate: 50L/min at max allowable inlet pressure of 2000kPa 
  • Thread Size: 1/2" BSP (15mm) female FI thread
  • Thread Size Physical Measurement: 20.995mm internal female thread diameter (refer to the BSP sizing chart in the photo gallery)
  • Material: Lead Free DR Brass
  • Intended Use: caravan/trailer/tiny home water heaters; small appliances- coffee machines/dish washers/washing machines/water fountains
  • SKU: AW-PLV15F-350LF

Package Contents

  • AW PLV15F-350LF 15mm (1/2") 350kPa PLV Pressure Limiting Valve
  • Package Weight: 400g

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SKU: 91128179350

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AreTrue
Louisville, US
★★★★★ 4
Smell
Size: Queen (2 Count), Color: Original White (Cooling)
The fact that there are not more comments on the smell of these pillows has me worried about some of yall. Listen, I LOVE the weight, and the firmness, it’s perfect for that. However, these pillows are RANK. They have a very strong mildew-ish smell that lingers. I took the outer cover off and washed it and let the pillow air out for a few days, the smell is still very strong when you press your face against it, which one does because it is in fact designed for that purpose. It smells so bad. It’s nauseating. I can smell it through two pillowcases and blanket that I threw on top of them hoping an extra layer would trap the smell. I’ll bake them in the Texas sun tomorrow and hope that helps, because otherwise these are the perfect pillows for someone who wants to feel like they are hugging a torso but can’t stand the sound/feel of someone else breathing. I don’t know…4 stars, if the smell goes away I’ll come back. Update: many many days later. Either they don’t really smell anymore or I got use to it. They’ve held their firmness and shape well. I like them.
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Reviewed in the United States on March 9, 2026
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Samantha
Omaha, US
★★★★★ 5
Actually Cooling Pillow
Size: Queen (1 Count), Color: Original White (Cooling)
This is a really nice pillow, I was worried it would be too soft or too firm but it's just right and it's actually cooling, it feels cool every time I touch it. I've noticed an improvement in sleep since using it. Would recommend!
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Reviewed in the United States on May 27, 2026
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Tyler and Kaela
San Leandro, US
★★★★★ 5
Repurchased in King Size – Still Love These Cooling Pillows
Size: King (2 Count), Color: Original White (Cooling), Size: King (2 Count), Color: Original White (Cooling)
After using the queen-size version of these pillows for over a year, we purchased the king-size set when we upgraded to a king mattress. Both my husband and I really like them. The cooling feature works well, and we like that each side feels different—when I run cold, I use the softer bamboo side, while my husband prefers the cooler side since he tends to sleep hot. They fit well in our king-size pillowcases and feel supportive in all sleeping positions, whether I’m on my stomach, side, or back. I also appreciate that you can remove some of the filling to adjust the firmness. The covers are washable, which makes them easy to maintain. Overall, we’re very happy with this repurchase and the long-lasting comfort.
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Reviewed in the United States on April 15, 2026
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Mystery Fan
Grantham, US
★★★★★ 3
Not great at cooling
Size: Queen (2 Count), Color: Original White (Cooling)
Each pillow cover has 2 sides, one marked for cooling, and the other a different fabric. The cooling side is about the same effectiveness as having a silk or satin pillow cover. It's only cool when you first touch it. The cooling side doesn't seem to absorb or wick moisture, so if you are sweaty - it keeps the moisture in place. You'll definitely want a regular pillow case over the pillow cover. In fact, if you suffer from night sweats, the non-cooling side is actually more comfortable. The pillow fill is ample, and simple to squish around for more support for your neck, etc. Think bean bag. But it will retain your impression after use. I find I need to do as I did when I had down pillows - give it a few good shakes in the morning when I make the bed to get it evened out for the coming night. In all, it is a well-made and comfortable pillow to sleep on, but it does not excel in cooling.
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Reviewed in the United States on May 29, 2026
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Carol C
Belleville, US
★★★★★ 5
excellent pillows i bought two sets!!
Size: Firm Queen (2 Count), Color: Original White (Cooling)
I ordered these for my son who has neck issues and has gone through so many pillows trying to find one that he liked. They’re heavy, so i was worried that they might be “too” heavy to be able to sleep on comfortably, so I ordered a second set, one firmer than the other (just in case) and gave him a set for Xmas and he loved the first set so much without even trying the less firm ones.He also needs the cooling factor and these offered that, too. They are filled with pieces of memory foam (tons of it) and each pillow can be modified by removing some of the foam. The covers are beautiful, high quality fabric with a zipper so ts easy to remove or replace the foam pieces. The size is perfect and they keep their shape. I kept the second set i ordered rather than returning them and i love the pillows. I actually modified two by removing some of the foam pieces. I kept the foam pieces in a zippered pillow protector and i can always adjust mine when or if i need to. 1000% love these.
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Reviewed in the United States on March 22, 2026

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