Check Valves from MacDonald Plumbing & Heating Supplies http://www.macdonaldplumbingsupplies.com/rss/1/productlistings/check-valves/cat715 <p>At our dedicated department for check valves, we offer an extensive selection of high-quality valves designed to provide efficient fluid flow control and prevent backflow. Check valves are essential components that allow fluid to flow in one direction while preventing reverse flow or backflow. Our range includes check valves suitable for plumbing systems, industrial processes, and various fluid handling applications. With different sizes, materials, and configurations available, you can find the perfect check valves to suit your specific needs. Trust us to deliver reliable check valves that ensure safe and uninterrupted fluid flow in your projects.</p> Copyright 2026 MacDonald Plumbing & Heating Supplies en Sat, 10 Oct 2026 02:05:05 +0100 Sat, 10 Oct 2026 02:05:05 +0100 Sat, 10 Oct 2026 02:05:05 +0100 Altecnic 15mm 3 in 1 Strainer Double Check & Isolation Valve 124-6030 CST Altecnic 15mm 3 in 1 Strainer Double Check &amp; Isolation Valve 124-6030 CST

Altecnic 15mm 3 in 1 Strainer Double Check &amp; Isolation Valve 124-6030 CST

The Altecnic 124-6030 CST is a monobloc manifold which contains a spherical ball valve, a &lsquo;Y&rsquo; strainer and two single check valve cartridges all within a DZR alloy body. The ball isolating valve allows the mains water supply to be isolated, eliminating the need for an additional isolating valve. Installation The 124-6030 CST is very simple to install with just three joints to make. The flow through the valves must follow the direction arrow on the valve body.

 /valves-brassware-c2/isolation-valves-c2125/isolation-valves-c717/altecnic-15mm-3-in-1-strainer-double-check-isolation-valve-124-6030-cst-p14821 /valves-brassware-c2/isolation-valves-c2125/isolation-valves-c717/altecnic-15mm-3-in-1-strainer-double-check-isolation-valve-124-6030-cst-p14821 Sat, 10 Oct 2026 02:05:05 +0100 Single Check Valve Full Bore 15mm Single Check Valve Full Bore 15mm

Single Check Valve Full Bore 15mm

This full bore 15mm single check valve provides reliable backflow prevention, ensuring the integrity of your plumbing system.

/valves-brassware-c2/check-valves-backflow-prevention-c2126/check-valves-c715/macdonald-plumbing-supplies-single-check-valve-full-bore-15mm-p13465 /valves-brassware-c2/check-valves-backflow-prevention-c2126/check-valves-c715/macdonald-plumbing-supplies-single-check-valve-full-bore-15mm-p13465 Sat, 10 Oct 2026 02:05:05 +0100 Single Check Valve Full Bore 22mm Single Check Valve Full Bore 22mm

Single Check Valve Full Bore 22mm

This full bore 22mm single check valve provides reliable backflow prevention, ensuring the integrity of your plumbing system.

 /valves-brassware-c2/check-valves-backflow-prevention-c2126/check-valves-c715/macdonald-plumbing-supplies-single-check-valve-full-bore-22mm-p13246 /valves-brassware-c2/check-valves-backflow-prevention-c2126/check-valves-c715/macdonald-plumbing-supplies-single-check-valve-full-bore-22mm-p13246 Sat, 10 Oct 2026 02:05:05 +0100 Single Check Valve Full Bore 28mm Single Check Valve Full Bore 28mm

Single Check Valve Full Bore 28mm

This full bore 28mm single check valve provides reliable backflow prevention, ensuring the integrity of your plumbing system.

/valves-brassware-c2/check-valves-backflow-prevention-c2126/check-valves-c715/macdonald-plumbing-supplies-single-check-valve-full-bore-28mm-p13270 /valves-brassware-c2/check-valves-backflow-prevention-c2126/check-valves-c715/macdonald-plumbing-supplies-single-check-valve-full-bore-28mm-p13270 Sat, 10 Oct 2026 02:05:05 +0100 WRAS Approved Single Check Valve 15mm WRAS Approved Single Check Valve 15mm

WRAS Approved Single Check Valve 15mm

This WRAS approved single check valve (15mm) ensures reliable backflow prevention and is an essential component for plumbing systems.

 /valves-brassware-c2/check-valves-backflow-prevention-c2126/check-valves-c715/macdonald-plumbing-supplies-wras-approved-single-check-valve-15mm-p13677 /valves-brassware-c2/check-valves-backflow-prevention-c2126/check-valves-c715/macdonald-plumbing-supplies-wras-approved-single-check-valve-15mm-p13677 Sat, 10 Oct 2026 02:05:05 +0100 WRAS Approved Single Check Valve 22mm WRAS Approved Single Check Valve 22mm

WRAS Approved Single Check Valve 22mm

This WRAS approved single check valve (22mm) ensures reliable backflow prevention and is an essential component for plumbing systems.

/valves-brassware-c2/check-valves-backflow-prevention-c2126/check-valves-c715/macdonald-plumbing-supplies-wras-approved-single-check-valve-22mm-p13394 /valves-brassware-c2/check-valves-backflow-prevention-c2126/check-valves-c715/macdonald-plumbing-supplies-wras-approved-single-check-valve-22mm-p13394 Sat, 10 Oct 2026 02:05:05 +0100 WRAS Approved Single Check Valve 28mm WRAS Approved Single Check Valve 28mm

WRAS Approved Single Check Valve 28mm

This WRAS approved single check valve (28mm) ensures reliable backflow prevention and is an essential component for plumbing systems.

/valves-brassware-c2/check-valves-backflow-prevention-c2126/check-valves-c715/macdonald-plumbing-supplies-wras-approved-single-check-valve-28mm-p13641 /valves-brassware-c2/check-valves-backflow-prevention-c2126/check-valves-c715/macdonald-plumbing-supplies-wras-approved-single-check-valve-28mm-p13641