McAlpine Self Closing Waste Valves from MacDonald Plumbing & Heating Supplies http://www.macdonaldplumbingsupplies.com/rss/1/productlistings_rss/c911::22mm:press Copyright 2026 MacDonald Plumbing & Heating Supplies en Tue, 13 Oct 2026 02:05:05 +0100 Tue, 13 Oct 2026 02:05:05 +0100 Tue, 13 Oct 2026 02:05:05 +0100 McAlpine MACVALVE-3 Self Closing Waste Valve With Tundish Adaptor 1¼ McAlpine MACVALVE-3 Self Closing Waste Valve With Tundish Adaptor 1¼

McAlpine MACVALVE-3 Self Closing Waste Valve With Tundish Adaptor 1¼

1¼” outlet BSP female inlet nut x universal compression outlet Supplied with Tundish Adaptor – 1¼” BSP male thread x 22mm Universal inlet Can be used to take the discharge from a pressure relief valve on an unvented domestic hot water storage system. Please refer to guidance notes in approved Document G3 of the Building Regulations.

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