Jargon Buster - G
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Gas Safe Register
A list of engineers who are permitted to install and service gas boilers as approved by the Gas Safe Register.
Gas shut-off valve
This is usually located next to the gas meter. If the meter box is located outside then a gas key is usually required to open the box.
A visual device to obtain the value of a medium. For example, water pressure or temperature. Can be mechanical, electrical, or a combination.
The part of a connection that has to be physically tightened.
A seal used to prevent leakage between a fixed part and a moving part.
A water circuit that, being un-pumped, relies on the principle that hot water rises and cold water sinks. Where there is a heating source, circulation occurs.
A fitting of the underground surface water or waste water drain over which down-pipes, or other above ground (such as soil and vent pipes) drainage, discharge.