ORing BS328 Half Union 40mm Multiport Valve Black

This genuine replacement O'Ring is a critical spare part designed for the half union connection of sand filter multiport valves. Specifically sized at 40mm and conforming to BS328 standards, it ensures a tight, leak-free seal vital for maintaining optimal filtration performance. Replacing worn or damaged O-rings prevents water bypass and equipment inefficiency, extending the lifespan of your pool's filtration system.

• Genuine Replacement Part – Ensures perfect fit and reliable performance.
• Essential for Multiport Valve Half Union – Designed for 40mm connections on sand filter MPVs.
• Prevents Leaks and Water Bypass – Maintains a secure, watertight seal for efficient operation.
• Restores System Integrity – Crucial for optimal pool filtration and equipment longevity.