McAlpine BN2 Plastic Backnut - White

The McAlpine BN2 White Plastic Backnut with Rubber Washer is a plumbing accessory used to secure a...

Best current price£4.35from eBay

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eBayMcAlpine BN2 White Plastic Backnut with Rubber Washer 1.5"" BSP
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OnBuy.comBn2 Mcalpine 1.5" Backnut & Rubber Washer Small 70Mm Flange 5036484000217
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DebenhamsMcalpine Unisex White Bn2 Plastic Backnut With Rubber Washer 1.5" Bsp
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£4.71
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B&QB&Q - Bn2 1.1/2In Backnut & Washer (400Bx)
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Product Information

Full details

This guide is for plumbers and DIY enthusiasts using the McAlpine BN2 White Plastic Backnut. The primary benefit is a secure, leak-free seal for your plumbing installations. Note that while easy to install, it's crucial to select the correct size for your pipes. This guide provides detailed instructions and helpful tips to ensure proper installation and long-lasting performance of the McAlpine BN2 backnut.

All features

ColourWhite
Model Part NumberBN2
BrandMcAlpine

Extended Product Information

FAQs

What tools do I need to install the McAlpine BN2?

No special tools are required; hand-tightening is sufficient.

What material is the backnut made of?

The backnut is made of white plastic.

How do I prevent leaks?

Ensure the backnut is tightened correctly and the rubber washer is in good condition.

What sizes are available?

Available sizes include 1.25", 1.5", 1.75", and 2" BSP.

Where can I use the McAlpine BN2?

In bathrooms, kitchens, and other water-using areas.

How long does the backnut last?

With proper installation and care, the backnut provides long-lasting performance.

Can I use this with any type of pipe?

It is compatible with standard plumbing pipes and fittings.

Troubleshooting

Backnut leaks after installation

Tighten the backnut slightly. Ensure the rubber washer is correctly seated and not damaged.

Backnut is difficult to tighten

Check the pipe threads for debris or damage. Use a suitable lubricant if necessary. Avoid over-tightening.

Incorrect size

Replace the backnut with the correct size for your pipe fitting.

Pros and Cons

Pros

  • Cost-effective solution for plumbing installations.
  • Easy installation saves time and effort.
  • The rubber washer ensures a reliable seal.
  • Durable plastic construction.
  • Wide range of sizes to fit different pipe dimensions.

Cons

  • Plastic material may not be suitable for extremely high-pressure applications.
  • Requires careful tightening to avoid over-tightening and damage.
  • Requires selecting the correct size for proper sealing.
  • Not suitable for use with aggressive chemicals.
  • Visual inspection needed to ensure complete sealing.

Setup, Compatibility & Care

  1. Preparation: Ensure you have the correct size backnut for your pipe fitting. Clean the pipe threads to remove debris.
  2. Installation: Screw the backnut onto the pipe or fitting by hand until snug. Do not overtighten.
  3. Seal Check: After installation, run water through the system to check for leaks. Tighten the backnut slightly if necessary.
  4. Compatibility: Compatible with standard plumbing pipes and fittings. Avoid using with highly corrosive chemicals.
  5. Care: Regularly inspect the connection for any signs of leaks or damage. Tighten as needed.

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