Isolate the cold water cistern: how-to guide

Need to isolate the cold water cistern? Whether you need to repair or replace the ball valve, or carry out further work on the low pressure side of your plumbing system, this article will explain several different ways to carry out this simple task. How to isolate the cold water cistern Isolation valve/service valve The … Read more

Direct and indirect plumbing systems: what’s the difference?

The difference between direct and indirect plumbing systems concerns how cold water is distributed throughout the home. In an indirect system, the cold taps are supplied by the cold water storage cistern in the loft. In a direct system, they’re supplied by the mains. Each system comes with its own set of advantages and disadvantages. … Read more

Expansion pipe

The expansion pipe or vent pipe is a pipe associated with a cold water storage cistern or a feed and expansion cistern. Its purpose is to accommodate the expansion of water when it is heated, and to allow any excess water to vent harmlessly into the cistern. It also serves as an escape route for any air … Read more

Why is there hot water coming from the cold taps?

Hot water coming from the cold taps is usually due to an immersion heater thermostat failing in the ‘on’ position. Hot water from the hot water cylinder eventually fills the cold water cistern in the loft, which supplies the bathroom cold taps. This is a potentially dangerous fault which can increase the risk of scalds … Read more

Drain the cold water tank: how-to guide

Need to drain the cold water tank? It’s not a difficult task, and in most cases you shouldn’t need to go into the loft. Simply do the following: Turn off the mains stopcock, either on the rising main or outside the property. Turn on the hot taps. And that’s it – when they stop running, the tank … Read more

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