
McAlpineSKU: PMCWHB1
McAlpine 1 1/4" Basin Space Saver Self-Closing Waste Valve WHB-1
(WHB-1)£16.39
Ex.VAT
In stock
Product features:
- 1 1/4" BSP female inlet nut x 1 1/4" universal compression outlet.
- Designed to allow full use of storage space below the basin within the cabinet or furniture.
- The WHB self-cleaning waste valve having no water seal can never dry out through evaporation or lack of use of the basin as the membrane seal remains closed.
- Overall height 62mm.
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McAlpineSKU: PMCWHB1
McAlpine 1 1/4" Basin Space Saver Self-Closing Waste Valve WHB-1
(WHB-1)
£16.39
Ex.VAT
In stock
Product features:
- 1 1/4" BSP female inlet nut x 1 1/4" universal compression outlet.
- Designed to allow full use of storage space below the basin within the cabinet or furniture.
- The WHB self-cleaning waste valve having no water seal can never dry out through evaporation or lack of use of the basin as the membrane seal remains closed.
- Overall height 62mm.
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- Wash Hand Basin Space Saver with Self-Closing Waste Valve - 1 1/4" BSP female inlet nut x 1 1/4" universal compression outlet. Additional features:
- The internal membrane opens under water pressure to allow discharge to flow freely and then closes to form a seal to prevent foul odour or sewer gas entering the building.
- The valve allows air to be drawn into the discharge waste pipe when negative pressures occur and eliminates the need for secondary ventilation to the discharge pipework.
- This allows for greater flexibility in the plumbing design.
- The valve can be easily cleaned without having to disassemble the discharge pipework.
- Simply remove the split pin at the front of the valve, take out the plug and membrane and clean in hot soapy water.
- Reassemble and relocate the split pin in the slot provided.

