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Self Closing Waste Valve 1 1/2″ Universal
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Self Closing Waste Valve 1 1/2″ Universal

Self Closing Waste Valve 1 1/2″ Universal

The Abey Self-Closing Waste Valve (1 ½" Universal) is the ultimate problem-solver for modern plumbing.

Also known as the MacValve-5, this innovative inline trap allows you to ditch the bulky U-bend entirely. Designed with a unique self-closing membrane, it opens to let water flow freely and snaps shut instantly to create an airtight seal. This means it works without a water seal, making it immune to evaporation, siphoning, and the "gurgling" sounds that plague traditional drains.

Unlike standard traps that must screw directly onto a waste outlet, this Universal model features compression fittings on both ends. This allows you to install it inline anywhere in your pipework—vertically or horizontally—making it a lifesaver for tricky retrofits, tight vanity cabinets, and complex pipe runs.

Key Features:

  • Inline "Anywhere" Installation: With 1 ½" Universal Compression fittings on both the inlet and outlet, this valve can be cut into existing pipework effortlessly.

  • Vertical or Horizontal: Works perfectly in any orientation, giving you complete freedom in your plumbing design.

  • Waterless & Odour-Free: The self-sealing membrane blocks sewer gases, pests, and backflow without relying on water. It will never dry out, making it ideal for guest bathrooms, holiday homes, or RVs.

  • Whisper Quiet: Neutralizes negative pressure to eliminate noisy drain gurgles.

  • Space Saving: The compact, straight-through design removes the need for a low-hanging P-trap, freeing up valuable storage space under your sink.

  • Easy Maintenance: Top-access design allows you to remove and clean the internal membrane without dismantling the pipe.

Technical Specifications:

  • Brand: Abey (Fantastic Plastic / McAlpine Range)

  • Model Code: MACVALVE-5

  • Size: 40mm / 1 ½"

  • Connections: 1 ½" Universal Compression (Inlet & Outlet)

  • Material: White Polypropylene

  • Installation: Vertical or Horizontal

Why choose the MACVALVE-5? This is the "Swiss Army Knife" of traps. While standard traps require a specific connection to the sink waste, the MACVALVE-5 connects pipe-to-pipe. This makes it perfect for joining two pipes in a tight cupboard, managing condensate lines, or acting as a non-return valve to prevent backflow in older properties.

$12.67

Original: $36.21

-65%
Self Closing Waste Valve 1 1/2″ Universal

$36.21

$12.67

Self Closing Waste Valve 1 1/2″ Universal

The Abey Self-Closing Waste Valve (1 ½" Universal) is the ultimate problem-solver for modern plumbing.

Also known as the MacValve-5, this innovative inline trap allows you to ditch the bulky U-bend entirely. Designed with a unique self-closing membrane, it opens to let water flow freely and snaps shut instantly to create an airtight seal. This means it works without a water seal, making it immune to evaporation, siphoning, and the "gurgling" sounds that plague traditional drains.

Unlike standard traps that must screw directly onto a waste outlet, this Universal model features compression fittings on both ends. This allows you to install it inline anywhere in your pipework—vertically or horizontally—making it a lifesaver for tricky retrofits, tight vanity cabinets, and complex pipe runs.

Key Features:

  • Inline "Anywhere" Installation: With 1 ½" Universal Compression fittings on both the inlet and outlet, this valve can be cut into existing pipework effortlessly.

  • Vertical or Horizontal: Works perfectly in any orientation, giving you complete freedom in your plumbing design.

  • Waterless & Odour-Free: The self-sealing membrane blocks sewer gases, pests, and backflow without relying on water. It will never dry out, making it ideal for guest bathrooms, holiday homes, or RVs.

  • Whisper Quiet: Neutralizes negative pressure to eliminate noisy drain gurgles.

  • Space Saving: The compact, straight-through design removes the need for a low-hanging P-trap, freeing up valuable storage space under your sink.

  • Easy Maintenance: Top-access design allows you to remove and clean the internal membrane without dismantling the pipe.

Technical Specifications:

  • Brand: Abey (Fantastic Plastic / McAlpine Range)

  • Model Code: MACVALVE-5

  • Size: 40mm / 1 ½"

  • Connections: 1 ½" Universal Compression (Inlet & Outlet)

  • Material: White Polypropylene

  • Installation: Vertical or Horizontal

Why choose the MACVALVE-5? This is the "Swiss Army Knife" of traps. While standard traps require a specific connection to the sink waste, the MACVALVE-5 connects pipe-to-pipe. This makes it perfect for joining two pipes in a tight cupboard, managing condensate lines, or acting as a non-return valve to prevent backflow in older properties.

Product Information

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Description

The Abey Self-Closing Waste Valve (1 ½" Universal) is the ultimate problem-solver for modern plumbing.

Also known as the MacValve-5, this innovative inline trap allows you to ditch the bulky U-bend entirely. Designed with a unique self-closing membrane, it opens to let water flow freely and snaps shut instantly to create an airtight seal. This means it works without a water seal, making it immune to evaporation, siphoning, and the "gurgling" sounds that plague traditional drains.

Unlike standard traps that must screw directly onto a waste outlet, this Universal model features compression fittings on both ends. This allows you to install it inline anywhere in your pipework—vertically or horizontally—making it a lifesaver for tricky retrofits, tight vanity cabinets, and complex pipe runs.

Key Features:

  • Inline "Anywhere" Installation: With 1 ½" Universal Compression fittings on both the inlet and outlet, this valve can be cut into existing pipework effortlessly.

  • Vertical or Horizontal: Works perfectly in any orientation, giving you complete freedom in your plumbing design.

  • Waterless & Odour-Free: The self-sealing membrane blocks sewer gases, pests, and backflow without relying on water. It will never dry out, making it ideal for guest bathrooms, holiday homes, or RVs.

  • Whisper Quiet: Neutralizes negative pressure to eliminate noisy drain gurgles.

  • Space Saving: The compact, straight-through design removes the need for a low-hanging P-trap, freeing up valuable storage space under your sink.

  • Easy Maintenance: Top-access design allows you to remove and clean the internal membrane without dismantling the pipe.

Technical Specifications:

  • Brand: Abey (Fantastic Plastic / McAlpine Range)

  • Model Code: MACVALVE-5

  • Size: 40mm / 1 ½"

  • Connections: 1 ½" Universal Compression (Inlet & Outlet)

  • Material: White Polypropylene

  • Installation: Vertical or Horizontal

Why choose the MACVALVE-5? This is the "Swiss Army Knife" of traps. While standard traps require a specific connection to the sink waste, the MACVALVE-5 connects pipe-to-pipe. This makes it perfect for joining two pipes in a tight cupboard, managing condensate lines, or acting as a non-return valve to prevent backflow in older properties.