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The BIG Lockdown Glow-Up Competition

We've teamed up with Big Bathroom Shop to find the best DIY lockdown upgrades. Enter yours to be in with a chance of winning £1000 to spend with us!
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Does my heating system suffer from corrosion?

A build-up of sludge within a heating system is a red flag which indicates corrosion. Given that sludge is caused by dirt and debris combining with rust in radiators or a central heating system, it usually occurs in older appliances…
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What causes sludge in heating systems?

Dirt and debris particles from water in the heating system can combine with rust to create sludge. The rust develops on the inside of radiators and pipes, so is likelier to occur in older heating systems. To combat sludge, and ensure…
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What is an open vent or gravity heating system?

An open vent or gravity heating system is one which features a feed and expansion tank, positioned at the system’s highest point. They are only compatible with heat-only boilers, otherwise known as ‘regular’ boilers. The ‘open…
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What does ‘unvented cylinder’ mean?

‘Unvented cylinder’ refers to a chamber which is kept under pressure by an incoming water supply. The direct model sees this water directly heated by immersion heaters, whilst the indirect model utilises a heat source located outside…
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Is underfloor heating easy to control?

Yes. Underfloor heating is very easy to control via an accompanying WiFi thermostat. You can set up schedules to heat the flooring at specific intervals, or easily adjust the temperature as and when you see fit manually. Many thermostats…
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What are BTUs and Watts?

British Thermal Units (BTUs) are specifically a unit of energy. Contrastingly, Watts (W) represent a measurement of the rate that energy is transferred. When a conversion occurs from BTUs to Watts, it is actually essentially a conversion…
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How do I convert between BTUs and Watts?

A single Watt (W) is equivalent to 3.41 British Thermal Units (BTUs) per hour (h). As such, to convert BTUs per hour into Watts, you have to divide by 3.41. In order to convert Watts into BTUs per hour, you should multiply by 3.4…
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What is the difference between straight and angled valves?

Both straight and angled valves live up to their moniker, with the first-named type featuring no bends or curves, and connecting to a radiator or heated towel rail straight up from the floor horizontally. Angled valves are typically…
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What are modulating heating controls?

Modulating heating controls come in the form of an automated valve, and are used to alter the average water temperature of your heating system. They do this by switching the boiler on and off in a periodic cycle. However, the water…
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What is a sealed heating system?

A sealed heating system is one fed by a ‘filling loop’, which is connected to the mains water supply through a flexible pipe. The purpose of the loop is to fill the heating system to a pre-set pressure when the system is cold, typically…
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Should central heating be used occasionally in summer?

It’s a very good idea to switch on your central heating and hot water supply on occasion during the warmer summer months. When left unused, the pump and diverter used to circulate water around the radiators and to the hot water cistern…
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Can I make any radiators electric or dual fuel?

No. Not all radiators have the capacity to be converted into electric or dual fuel models. However, there are plenty of available designs that can be adjusted for electric or dual fuel energy use. Essentially, the radiator would need…