Top 4 Osma Waste valve UK – Traps

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Viva Sanitary WTSTC40 1½ / 40mm Magna Self-Sealing Non-Return Waste Valve Trap

VIVA - Drain cleaning products should not be poured down the Magna Valve. The magna valve is a non-return valve with an internal membrane. Complete with 90° Inlet and Straight Compression Adapters. The valve opens to allow water to be discharged, bidets, basins, then automatically closes to prevent foul smells and sewer gases from entering the building. This product is very adaptable and is suitable for installation under sinks, baths and urinals. Can be installed in a horizontal or vertical position. Water-less trap that won't dry out and wont gurgle.
ManufacturerViva Sanitary

2. Mcalpine

McAlpine MACVALVE-2 Self Closing Waste Valve Trap-1.5 inch, White, 1.5-Inch

Mcalpine - No water seal so it can never dry out through evaporation or lack of use of an appliance as the membrane remains sealed. Prevents foul odour or sewer gas entering the building. Can be fitted in horizontal or vertical position. Size: 1. 5 inch / 40mm. Supplied with 1. 5" 40mm multi-fit one end, 1-1/2"BSP inlet nut.
Height9 cm (3.54 Inches)
Length24 cm (9.45 Inches)
Weight0.2 kg (0.44 Pounds)
Width11 cm (4.33 Inches)
Part NumberMACVALVE-2

3. Hepvo

Hepworth HepVO Waste Valve & tundish Adaptor kit. BV1/21 WH

Hepvo - Kit includes 32mm hepvo valve and 22mm / 3/4" tundish adaptor. Trap is self sealing. Typical application is for boiler condensate discharge.
ManufacturerOsma Wavin
Part NumberBV1/21WH

4. Osma

Osma OsmaVent 4S304W air admittance valve for 110mm / 82mm pipe.

Osma - Push fit air admittance valve for 110mm and 82mm pipe. Designed for venting of 110mm soil stacks up to 10 storeys. Bba certificated. 10 year guarantee. Supplied in polystyrene packaging that can be used to insulate the valve.
Part Number761300_SML