The pressure transmitter comes in a number of shapes and sizes. One, referred to as a Bourdon Tube, is designed especially for monitoring non-liquid pressure. They are relatively inexpensive and good for measuring air and gas pressure in compressors. The tubes may be c-shaped, spherical and helical.
Average Pay & Benefits. The BLS groups heating technicians under the job category of Heating, Air Conditioning, and Refrigeration Mechanics and Installers. These technicians earned average incomes of $45,540 per year as of May 2011, according to the BLS. Their incomes are based on both regular and overtime pay.
Gas Central Heating. Learn more about gas central heating systems and gas boilers, including the average costs per year - so you can find out if you're paying too much. Most households in the UK have mains gas central heating. Find out if you're paying too much for gas and learn more about the pros and cons of gas central heating. Gas central heating is a so-called âwet systemâ, which means a gas-fired boiler heats water to provide central heating through radiators and hot water through the taps in your home.