McAlpine In-Line Non-Return Valve - 1 1/4"

McAlpine In-Line Non-Return Valve is a plumbing component designed to prevent water or other liqui...

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Product Information

Full details

This guide is for plumbers and DIY enthusiasts needing to prevent backflow in their plumbing systems. The McAlpine In-Line Non-Return Valve is designed to stop water or other liquids from reversing direction. Note that it should only be used when there is no other option.

All features

Model Part NumberS28M-NRV
BrandMcAlpine

Extended Product Information

FAQs

What is the primary function of the McAlpine In-Line Non-Return Valve?

The primary function is to prevent the backflow of water and other liquids in plumbing systems.

Where should the valve be installed?

The valve should be installed in-line within the plumbing system.

What position should the valve be installed in?

The valve must be installed in a horizontal position.

How do I clean the valve?

The valve can be cleaned through the top access point. Remove any debris to ensure proper function.

What sizes are available?

It is available in 1.25" and 1.5" sizes.

Is any special tool required for installation?

No, it is designed for easy installation without the need for specialist tools.

Troubleshooting

Reduced water flow.

Check the valve for blockages and clean the valve using the top access point.

Valve not functioning correctly.

Ensure the valve is installed horizontally and that the inlet and outlet connections are correctly oriented.

Pros and Cons

Pros

  • Prevents Contamination: Keeps potentially contaminated water from flowing back into the system.
  • Easy Maintenance: The top access point allows for straightforward cleaning.
  • Versatile: Suitable for various applications where backflow prevention is essential.

Cons

  • Specific Use Case: Should only be used when there is no alternative
  • Horizontal Installation Only: Requires horizontal positioning, limiting installation options.
  • May require regular cleaning depending on use.

Setup, Compatibility & Care

Setup

  1. Select the correct size: Choose the valve size (1.25" or 1.5") that matches your existing plumbing.
  2. In-Line Installation: Install the valve directly into the pipe run.
  3. Horizontal Orientation: Ensure the valve is installed horizontally.

Compatibility

The McAlpine In-Line Non-Return Valve is part of the Multifit range and compatible with many plumbing systems.

Care

Regularly inspect the valve. Clean the valve through the top access point if necessary.

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