
- Stock: In Stock
- Model: SP11
- SKU: SP11
- MPN: SP11
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Soil Pipe Boss Reducer 40mm

The 40mm boss reducer is a professional-grade black rubber fitting engineered to seamlessly connect 40mm waste pipes to 67mm soil stack bosses, providing a versatile solution for modern drainage installations. This push-fit reducer eliminates the need for adhesives or complex joining procedures, simply inserting into strap-on bosses or boss adapters on branches and other pipe fittings to create an instant, watertight seal. The durable black rubber construction offers excellent flexibility and chemical resistance, ensuring long-lasting performance in both residential and commercial plumbing applications while accommodating thermal expansion and building movement. This essential fitting is perfect for connecting washing machines, dishwashers, sinks, and other 40mm waste outlets directly into the main soil stack, making it invaluable for kitchen installations, utility rooms, and bathroom renovations where space-efficient drainage solutions are required. The precision-moulded design maintains optimal flow characteristics while preventing blockages, and the push-fit connection allows for easy installation and future maintenance access, making this boss reducer the preferred choice for professional plumbers, drainage contractors, and DIY enthusiasts seeking reliable waste pipe connections.
Boss reducer 40mm. To reduce the soil stack boss from 67mm to 40mm to fit 40mm waste pipes. Black rubber push-fit.Fits into a strap on a boss or into boss adapters on branches and other pipe fittings, reducing to 40mm pipe. For strap on boss -[click here]
Fits into a strap-on boss, reduces to 40mm pipe
Colour: Black
















