McAlpine McAlpine Backnut Basin Wastes from MacDonald Plumbing & Heating Supplies http://www.macdonaldplumbingsupplies.com/rss/1/productlistings_rss/c990:m14::none Copyright 2026 MacDonald Plumbing & Heating Supplies en Thu, 01 Oct 2026 20:23:49 +0100 Thu, 01 Oct 2026 20:23:49 +0100 Thu, 01 Oct 2026 20:20:26 +0100 McAlpine W1C Backnut Slotted Washer Plastic Basin Waste 1¼ McAlpine W1C Backnut Slotted Washer Plastic Basin Waste 1¼

McAlpine W1C Backnut Slotted Washer Plastic Basin Waste 1¼

The McAlpine W1C is a 1¼" Backnut Slotted Washer designed for use with plastic basin wastes. Made from high-quality plastic, it ensures a secure, leak-free connection between the basin waste and basin, suitable for both domestic and commercial installations.

 http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-w1c-backnut-slotted-washer-plastic-basin-waste-1-p21434 http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-w1c-backnut-slotted-washer-plastic-basin-waste-1-p21434 Thu, 01 Oct 2026 20:23:49 +0100 McAlpine CW1 Chrome Plated Plastic Back Nut Basin Waste 1¼ Slotted With Chrome Plated Plug McAlpine CW1 Chrome Plated Plastic Back Nut Basin Waste 1¼ Slotted With Chrome Plated Plug

McAlpine CW1 Chrome Plated Plastic Back Nut Basin Waste 1¼ Slotted With Chrome Plated Plug

1¼” BSP 60mm flange

http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-cw1-chrome-plated-plastic-back-nut-basin-waste-1-slotted-with-chrome-plated-plug-p20554 http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-cw1-chrome-plated-plastic-back-nut-basin-waste-1-slotted-with-chrome-plated-plug-p20554 Thu, 01 Oct 2026 20:20:26 +0100 McAlpine BW1 Chrome Plated Plastic Back Nut Basin Waste 1¼ Slotted With Black PVC Plug McAlpine BW1 Chrome Plated Plastic Back Nut Basin Waste 1¼ Slotted With Black PVC Plug

McAlpine BW1 Chrome Plated Plastic Back Nut Basin Waste 1¼ Slotted With Black PVC Plug

1¼” BSP 60mm flange 3½” Tail

http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-bw1-chrome-plated-plastic-back-nut-basin-waste-1-slotted-with-black-pvc-plug-p20513 http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-bw1-chrome-plated-plastic-back-nut-basin-waste-1-slotted-with-black-pvc-plug-p20513 Thu, 01 Oct 2026 20:20:26 +0100 McAlpine BW1A Chrome Plated Plastic Back Nut Basin Waste 1¼ Unslotted With Black PVC Plug McAlpine BW1A Chrome Plated Plastic Back Nut Basin Waste 1¼ Unslotted With Black PVC Plug

McAlpine BW1A Chrome Plated Plastic Back Nut Basin Waste 1¼ Unslotted With Black PVC Plug

1¼” BSP 60mm flange 3½” Tail

http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-bw1a-chrome-plated-plastic-back-nut-basin-waste-1-unslotted-with-black-pvc-plug-p20514 http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-bw1a-chrome-plated-plastic-back-nut-basin-waste-1-unslotted-with-black-pvc-plug-p20514 Thu, 01 Oct 2026 20:20:26 +0100 McAlpine BSW12 Black Plastic Back Nut Basin Waste With Stainless Steel Flange 1¼ Black PVC McAlpine BSW12 Black Plastic Back Nut Basin Waste With Stainless Steel Flange 1¼ Black PVC

McAlpine BSW12 Black Plastic Back Nut Basin Waste With Stainless Steel Flange 1¼ Black PVC

Slotted Black PVC plug 1¼” BSP

http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-bsw12-black-plastic-back-nut-basin-waste-with-stainless-steel-flange-1-black-pvc-p20485 http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-bsw12-black-plastic-back-nut-basin-waste-with-stainless-steel-flange-1-black-pvc-p20485 Thu, 01 Oct 2026 20:20:26 +0100 McAlpine BSW12T Black Plastic Back Nut Basin Waste With Stainless Steel Flange 1¼ Black PVC With Triangle McAlpine BSW12T Black Plastic Back Nut Basin Waste With Stainless Steel Flange 1¼ Black PVC With Triangle

McAlpine BSW12T Black Plastic Back Nut Basin Waste With Stainless Steel Flange 1¼ Black PVC With Triangle

Slotted Black PVC plug 1¼” BSP

http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-bsw12t-black-plastic-back-nut-basin-waste-with-stainless-steel-flange-1-black-pvc-with-triangle-p20486 http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-bsw12t-black-plastic-back-nut-basin-waste-with-stainless-steel-flange-1-black-pvc-with-triangle-p20486 Thu, 01 Oct 2026 20:20:26 +0100 McAlpine BSW2 White Plastic Back Nut Basin Waste With Stainless Steel Flange Unslotted 1¼ McAlpine BSW2 White Plastic Back Nut Basin Waste With Stainless Steel Flange Unslotted 1¼

McAlpine BSW2 White Plastic Back Nut Basin Waste With Stainless Steel Flange Unslotted 1¼

1¼” BSP 60mm flange 3½” Tail

http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-bsw2-white-plastic-back-nut-basin-waste-with-stainless-steel-flange-unslotted-1-p20490 http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-bsw2-white-plastic-back-nut-basin-waste-with-stainless-steel-flange-unslotted-1-p20490 Thu, 01 Oct 2026 20:20:26 +0100 McAlpine BSW1 White Plastic Back Nut Basin Waste With Stainless Steel Flange Slotted 1¼ McAlpine BSW1 White Plastic Back Nut Basin Waste With Stainless Steel Flange Slotted 1¼

McAlpine BSW1 White Plastic Back Nut Basin Waste With Stainless Steel Flange Slotted 1¼

1¼” BSP 60mm flange

http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-bsw1-white-plastic-back-nut-basin-waste-with-stainless-steel-flange-slotted-1-p20478 http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-bsw1-white-plastic-back-nut-basin-waste-with-stainless-steel-flange-slotted-1-p20478 Thu, 01 Oct 2026 20:20:26 +0100 McAlpine W1A White Plastic Back Nut Basin Waste 1¼ Unslotted McAlpine W1A White Plastic Back Nut Basin Waste 1¼ Unslotted

McAlpine W1A White Plastic Back Nut Basin Waste 1¼ Unslotted

White PVC plug 1¼” BSP 60mm flange

http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-w1a-white-plastic-back-nut-basin-waste-1-unslotted-p2770 http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-w1a-white-plastic-back-nut-basin-waste-1-unslotted-p2770 Thu, 01 Oct 2026 20:20:27 +0100 McAlpine BSW12C Black Plastic Back Nut Basin Waste With Stainless Steel Flange 1¼ Black PVC With Chrome Plated Chain And Stay McAlpine BSW12C Black Plastic Back Nut Basin Waste With Stainless Steel Flange 1¼ Black PVC With Chrome Plated Chain And Stay

McAlpine BSW12C Black Plastic Back Nut Basin Waste With Stainless Steel Flange 1¼ Black PVC With Chrome Plated Chain And Stay

Slotted Black PVC plug 1¼” BSP 60mm flange

http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-bsw12c-black-plastic-back-nut-basin-waste-with-stainless-steel-flange-1-black-pvc-with-chrome-plated-chain-and-stay-p2160 http://www.macdonaldplumbingsupplies.com/soil-waste-c7/mcalpine-c903/mcalpine-waste-outlet-fittings-accessories-c899/mcalpine-backnut-basin-wastes-c990/mcalpine-bsw12c-black-plastic-back-nut-basin-waste-with-stainless-steel-flange-1-black-pvc-with-chrome-plated-chain-and-stay-p2160