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Whether in your house, the pub or part of a darts league, make the scoring simple. If you struggle to add up the scores then take them away from your …

SMART PHONE HEAT INPUT AND GAS RATE APP that can be use to time the gas meter for heat input or gas rate calculations. Inut the information into the b …

SMART PHONE HEAT INPUT AND GAS RATE APP that can be use to time the gas meter for heat input or gas rate calculations. Inut the information into the b …

A natural gas pipe sizing calculator for metric copper, stainless and stainless semi rigid pipes (U.K.). Simply input the information for the applianc …

A Gas Ventilation calculator for working out ventilation requirements for gas appliances. Open flued, Room sealed, Flueless appliances. This gives you …

Work out gas purging volumes. under IGE/UP1b Domestic installers can work on pipes up to and including 35mm or 1 1/4" and meters up to 16 m3/hr volume …