AW Logi WSP32LF 32mm 1 1/4" Solar Rated Non Return One Way Check Valve
SKU: 63710824594

AW Logi WSP32LF 32mm 1 1/4" Solar Rated Non Return One Way Check Valve

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Description

AW Logi WSP32LF 32mm 1 1/4" Solar Rated Non Return One Way Check ValveOverview AW WSP32LF Solar Rated Non Return One Way Check Valve is spring loaded and designed to prevent the high temperature backflow from the roof collectors present in solar hot water systems. In order to survive this high temperature working environment, the AW check valves are constructed with lead free DR brass body, silicone seals and high temperature rated full brass internals. During the operation of solar hot water systems in summer, a

Overview

AW WSP32LF Solar Rated Non Return One Way Check Valve is spring loaded and designed to prevent the high-temperature backflow from the roof collectors present in solar hot water systems. In order to survive this high temperature working environment, the AW check valves are constructed with lead free DR brass body, silicone seals and high temperature rated full brass internals.

During the operation of solar hot water systems in summer, a stagnation condition can be created as the storage water tank reaches its maximum top out temperature usually around 60-70 degrees. In such stagnant conditions, the solar pump will stop water circulation and the solar roof collectors can reach 180°C in flat plate panels and 200+°C in evacuated tubes. This super heated water remains in liquid form due to the pressure in the solar hot water system and pushes down back to the water tank creating the backflow. This back flow can cause damages to the water pumps, flow meter and other components if not prevented. A standard check valve that is not solar rated will melt over time with the usual plastic internal components. A swing type check valve would create excessive flow resistance and poor seal. The AW WSP32LF spring loaded solar rated check valve is perfect in such installations, offering minimal pressure drop during water pump operation and long lasting seal even in continuous high temperature environment.

The AW solar check valves can be installed in either vertical or horizontal orientations and is WaterMark Approved for compliance in Australia. The solar rated check valves can be also used in low temperature rating steam applications. 

Technical Details

  • Manufacturer: Austworld (AW)
  • Model: WSP32LF
  • Connection Size: BSP 32mm (1¼") Female thread (32FI x 32FI)
  • Physical Thread Measurement: 41.91mm female internal thread; Refer to the BSP sizing chart in the photo gallery
  • Body Material: Lead Free DR Brass
  • Seal Material: Silicone
  • Valve Type: Non Return Check Valve
  • Maximum Temperature & Pressure: 150°C and 2000kPa
  • Intended Use: Solar Hot Water Systems
  • SKU: WSP32LF

Package Contents

  • WSP32LF Solar Rated Non Return Check Valve
  • Package Weight: 600g
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: 63710824594

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4.6 ★★★★★
Based on 1170 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Massapequa, US
★★★★★ 4
Good enough
Color: Black
Comfortable chair. Easy to put together. Allen nuts aren't cut perfectly so sometimes hard to get the wrench in there. My biggest complaint, and I didn't even realize this until I sat down in it, the arm rests are not adjustable and they are a little short for my liking.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
D
Verified Purchase
DEVON
Los Angeles, US
★★★★★ 5
COMFY CHAIR GOOD SUPPORT
Color: Dark Brown
So I needed an office chair because the one that I had wasn't really helping my back any. And it just didn't have enough cushion on the chair because when you want to sit for hours at your desk you want to be comfortable. So I took a chance on buying this chair. I thought the color was good and the price was right but I was still a little nervous because it said put together. So I got it right away only took 3 days. And the directions for pretty easy there were a couple of spots that I think we're out of order because you had to kind of play around with the screws going into the holes from the arms but I think if I were to get another chair like this I would probably do it my way because it's pretty self-explanatory but I followed the directions that came with the chair. And hey I'm 65 years old and I put this chair together. It's nice it's sleek and oh my God is it comfortable!!! Right where my lower back and sciatic is I get the support and it just feels good and I know that if I have to be at my desk for 3 or 4 hours I'm going to be comfortable. I highly highly recommend getting this chair. The only issue that I had was the driver did not leave it on my porch. I had ordered a Vizio TV a couple months ago and the driver brought it up to my porch. So I just had to go out and take two steps bring it into the house I really appreciated that. This driver didn't even come through the gate and there is no signs of any dogs because there aren't any. So this driver just left this giant heavy box it was about 35 lb in front of the garage where it was very visible from the road. And I had a dragon to my front door it was heavy I did not like that at all. But it wasn't damaged or anything and I do love the chair. I just don't like what the driver did.
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Reviewed in the United States on November 3, 2025
A
Verified Purchase
Aya
Belleville, US
★★★★★ 5
Great sturdy chair and beautiful color
Color: White
I love this chair. I bought it for my home office. It is beautiful, sturdy and very comfortable. I'm not good at all with assembling even basic things but I would say that this was relatively pretty simple for someone like me to put together. Good price and good product.
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Reviewed in the United States on April 3, 2026
O
Verified Purchase
OKCity
Port Orchard, US
★★★★★ 4
Reliable, Comfortable, and Good-Looking Chair — I Keep Coming Back to It
Color: White
This is my fourth time purchasing this Amazon Basics mid-back office chair, which says a lot about its overall value. It looks clean and modern, fits well in a home office, and is genuinely comfortable for daily use. I typically get about a year and a half out of each one, which feels reasonable given the price point and materials. Out of the box, the chair is easy to assemble and immediately comfortable. The padding is supportive, the armrests are well positioned, and the faux leather gives it a more upscale appearance than many chairs in this category. It rolls smoothly, swivels easily, and works well for long computer sessions without causing back or shoulder fatigue. That said, this is not a lifetime chair. After extended use, the cushioning and structure do begin to wear, and that’s usually when I replace it. Still, considering the comfort, appearance, and cost, it remains one of the best value office chairs I’ve found — which is why I keep buying it again. Pros: • Comfortable padding and good mid-back support • Clean, modern appearance that looks great in an office • Smooth rolling and stable base • Easy assembly • Excellent value for the price Cons: • Durability is moderate; expect replacement after about 1½ years • Not designed for long-term heavy-duty use Verdict: If you want a comfortable, attractive, and affordable office chair that performs well for daily use, this is a strong choice. It may not last forever, but its comfort and value make it easy to recommend — and easy to repurchase.
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Reviewed in the United States on January 18, 2026
D
Verified Purchase
Debbie Segrest
Charlottesville, US
★★★★★ 5
Highly recommend
Color: Black
Very sturdy, the cushions make it super comfortable. The size and ease of movement are perfect. Assembly was super easy. A very quiet chair. Wonderful all around value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 28, 2026

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