McAlpine Backnut Basin Wastes from MacDonald Plumbing & Heating Supplies http://www.macdonaldplumbingsupplies.com/rss/1/productlistings/mcalpine-backnut-basin-wastes/cat990 <p>Enhance your basin with McAlpine backnut basin wastes, ensuring secure and reliable installation for efficient sink drainage. Our range features high-quality options designed to meet your plumbing needs with precision and durability. The backnut design provides added stability, ensuring that your basin waste remains securely in place over time. Trust McAlpine for innovative solutions that combine functionality and reliability to elevate your bathroom experience.</p> 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 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&rdquo; BSP 60mm flange

/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 /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 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&rdquo; BSP

/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 /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 20:20:27 +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&rdquo; BSP 60mm flange

/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 /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 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&rdquo; BSP

/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 /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&rdquo; BSP 60mm flange 3½&rdquo; Tail

/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 /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 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&rdquo; BSP 60mm flange 3½&rdquo; Tail

/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 /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&rdquo; BSP 60mm flange 3½&rdquo; Tail

/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 /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 20:23:49 +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&rdquo; BSP 60mm flange

/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 /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 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&rdquo; BSP 60mm flange

/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 /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 20:20:26 +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.

 /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 /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