McAlpine VP100E One-Way Air Admittance Valve (AAV) – 110mm
The McAlpine VP100E Air Admittance Valve (AAV) is designed to allow air into soil and waste systems while preventing foul odors and gases from escaping. It helps maintain proper air pressure in drainage systems, reducing the risk of siphoning in traps.
🔹 Key Features:
- Size: 110mm – standard for soil and waste pipe systems
- Type: One-way air admittance valve – prevents foul air escape while allowing ventilation
- Material: High-quality polypropylene (PP) – durable and long-lasting
- Connection: Push-fit onto 110mm soil pipes
- Installation Position: Vertical only (must be above the highest waste entry point)
- Sealing Mechanism: Rubber diaphragm that opens when air is needed and closes when not
- Application: Suitable for indoor use in ventilated areas
🔹 Benefits & Uses:
✔ Prevents negative pressure in soil and waste systems
✔ Eliminates the need for external vent pipes in some installations
✔ Reduces gurgling sounds from waste traps
✔ Ideal for bathrooms, kitchens, and utility rooms where venting is required
🔹 Installation Notes:
- Ensure the valve is installed in a vertical position
- Push-fit connection onto 110mm pipe – no solvent welding required
- Install above the highest waste entry point
- Keep in a well-ventilated, accessible area for maintenance
The McAlpine VP100E One-Way AAV is a reliable and efficient solution for maintaining proper ventilation in drainage systems without the need for external vent pipes.
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