The Plasson 32-20mm Reducing Coupling is a high-quality compression fitting designed to connect two MDPE (Medium Density Polyethylene) water supply pipes of different diameters — 32mm to 20mm. Engineered for performance and longevity, this coupling offers a secure, watertight connection without the need for special tools, making installation fast and simple.
Perfect for domestic, commercial, and agricultural water systems, Plasson fittings are trusted worldwide for their reliability, strength, and long service life. Each fitting is WRAS approved, meaning it’s suitable for use with potable (drinking) water and meets the stringent standards required by UK water authorities.
🔧 Key Features & Benefits:
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High-Quality Reducing Coupler (32mm x 20mm) – Connects MDPE pipes of different sizes quickly and securely.
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Tool-Free Installation – Simply insert the pipe to the stop and hand tighten — no special tools required.
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Reliable & Leak-Free Seal – Captive ‘O’ ring ensures a tight, watertight connection every time.
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WRAS Approved – Certified for use in drinking water systems and accepted by UK water companies.
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Durable Construction – Made from virgin polypropylene for superior strength and long service life (50+ years).
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Versatile Use – Ideal for cold water supply systems, irrigation, agriculture, and general plumbing projects.
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Flexible System Compatibility – Can connect different pipe types when used with the appropriate adaptors.
 
📦 Product Details:
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Brand: Plasson
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Product Type: Reducing Coupling
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Connection: 32mm MDPE to 20mm MDPE
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Material: Virgin Polypropylene
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Seal Type: Captive ‘O’ Ring
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Operating Pressure: Suitable for standard MDPE mains pressure applications
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Certification: WRAS Approved
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Expected Service Life: 50+ years
 
💧 Ideal For:
Water Supply Systems • Domestic Plumbing • Agricultural Irrigation • Commercial Installations • Drinking Water Lines