Cylin­ders and pipes

Matamata Chronicle - - Heating -

For any type of hot wa­ter stor­age, en­ergy is lost through the walls of the cylin­der even if no hot wa­ter is be­ing used. This is called ‘stand­ing loss’.

Mod­ern elec­tric cylin­ders must have a high level of in­su­la­tion so that the stand­ing loss is rel­a­tively low.

Gas hot wa­ter cylin­ders can’t be fully in­su­lated as they have an ex­posed flue in the mid­dle where the flame heats the wa­ter.

Hot wa­ter cylin­ders are now some­times in­stalled out­side the house to save space.

The cold and rain out­side mean that the cylin­der in­su­la­tion needs to be par­tic­u­larly good.

Pipes from hot wa­ter cylin­ders are of­ten not in­su­lated at all and lose a lot of en­ergy. You can buy foam tube pipe in­su­la­tion from plum­bers’ mer­chants very cheaply.

The first me­tre of pipe from the cylin­der is the most im­por­tant to in­su­late but in­stal­la­tion can be dif­fi­cult as pipes are some­times hid­den in­side walls.

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