Mixing & Bypass Valves from MacDonald Plumbing & Heating Supplies http://www.macdonaldplumbingsupplies.com/rss/1/productlistings_rss/c2128::solder Copyright 2026 MacDonald Plumbing & Heating Supplies en Thu, 15 Oct 2026 02:05:06 +0100 Thu, 15 Oct 2026 02:05:06 +0100 Thu, 15 Oct 2026 02:05:06 +0100 MacDonald Plumbing Supplies Straight Auto Bypass Valve 22mm MacDonald Plumbing Supplies Straight Auto Bypass Valve 22mm

MacDonald Plumbing Supplies Straight Auto Bypass Valve 22mm

The Straight Auto Bypass Valve 22mm is designed to automatically regulate water flow within central heating systems, maintaining consistent pressure and preventing pump damage. By diverting excess flow when thermostatic radiator valves (TRVs) close, it enhances efficiency and ensures quiet, reliable system operation. With 22mm compression connections, it’s easy to install and suitable for domestic and light commercial systems. An essential component for modern heating systems using TRVs across multiple radiators.

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