Portsmouth ball valve

Part 1 and a Part 2 ball valves: what’s the difference? These brass fittings are some of the most common types of ball valves found in British homes. They are typically found in loft cisterns, such as the cold water storage cistern and the feed and expansion cistern. They both work in roughly the same way. As …

Part 1 and Part 2 ball valves: what’s the difference? Read More »