The Waste and Overflow is an important part of your bathroom. It is a fixture that has both a stoppable drain and an “overflow” portion that allows water to drain away before it overflows at the top rim.
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The Bathroom Waste and Overflow (BWO) is an important part of your bathtub. It is a fixture that has both a stoppable drain and an “overflow” portion that allows water to drain away before it overflows at the top rim. “Bath Waste” refers to the used water after you take a bath or shower. It is effectively the drain, it just uses different language in its title. A Bath Waste and Overflow generally has a stoppable drain - this is what makes it possible for the tub to fill with water when you want to take a bath.
A waste is an essential part of any basin. It fits snugly within the waste hole, acts as an exit for waste water, and keeps the plumbing system free of foreign objects. Before buying a basin waste you’ll need to figure out if you need a slotted or unslotted design. It’s important to get this right, as a slotted waste is not suitable for a basin without an overflow as it will simply not fit, and an unslotted waste will not fit a basin with an overflow.
Basin wastes are available as slotted and unslotted designs. If your basin has an overflow it will need a slotted waste, but if it doesn’t have an overflow, an unslotted waste is required.
Slotted - basins with an overflow
Unslotted - basins without an overflow
Still a popular choice, standard plug and chain wastes have been around for many years. They comprise of a plug fastened to the end of a chain, which in turn is fixed to a small hole in the basin. These are only suitable for use with basins that have two tap holes.
A popular option, push button basin wastes are operated by simply pushing down on the central button which allows the sink to fill, and then pushing again to open for draining. Simple to use, a push button waste creates a sleek, minimal look.
Flip top wastes are a spinning plug that can easily be turned by hand and spins 180 degrees to open and close. This type of waste creates a modern look and is easy to use.
Pop-up basin wastes are operated using a lever and rod mechanism. The metal plug rests on a horizontal rod that is connected through a small bracket arrangement to a vertical rod. The plug is opened by pushing the vertical rod downwards, which then causes the horizontal rod to rise lifting the plug. The plug is closed by lifting the vertical rod up allowing the weight of the metal plug to close the waste.
From exposed to pop-up and push button styles, bath wastes are also available in a range of designs, here we explain the different options to help you make the right decision to suit your bath.
Combined bath fillers and wastes are the perfect option if you want to create a fuss-free minimal look. A combined bath filler and waste allows the bath to be filled without the need for a conventional tap. The bath filler is fitted into the bath’s overflow hole and is easily controlled to mix the water feed. The pop-up waste is operated by turning a section of the overflow mechanism, which opens and closes the waste. This type of waste requires a concealed shower valve or deck mounted valves to fill the bath when required.
Standard plug and chain bath wastes are a common style. They feature a plug fastened to the end of a chain, which in turn is fixed to an overflow grate, which is fitted to the overflow hole drilled in the bath. Standard bath wastes are usually supplied with a plug, chain, overflow pipe and overflow cover.
Pop-up bath wastes feature a cable that’s connected from a control handle, usually at the overflow point of the bath, to a metal plug. As you turn the control handle, the cable moves the plug into position to open or close the waste fitting. The control handle also acts to cover the overflow hole of the bath, which provides a neat, modern solution.
Similar to a push button basin waste, this style is operated by simply pushing down the button, which allows the bath to fill, pushing again opens for draining. If you want to create a clean, modern look, this style is a great option.
Exposed wastes have been specially designed for use with traditional freestanding baths, they usually have a plug and chain, but some do have a more modern pop-up mechanism. The waste pipe runs outside the bath and conceals the overflow pipe which connects to the waste. Featuring a chrome finish, they can be used in conjunction with a shallow seal p-trap and exposed bath shrouds – these conceal the hot and cold pipes that run to the bath taps.
Whether you are looking to service your boiler, replace your boiler or move from ‘oil to gas’ it is essential to find the right heating engineer to undertake any work. A professional heating engineer will provide you with all the information and advice you need to consider your options. They will provide quotes and provide peace of mind that all work is carried out to appropriate standards.
It is essential you use a Gas Safe registered engineer to install, service or check gas appliances including boilers. To carry out work on gas installations and appliances safely and legally, gas engineers must be on the Gas Safe Register
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