The heater of hot water have two general types of construction: horizontal and vertical. The second one is much more popular than horizontal, however horizontal boilers also find use. The boilers have very complicated construction. For that reason if they are broken only people who know everything about boilers, can help – only people like this – boiler repairs ealing.
Horizontal boilers mostly are standing, much less are hanging. The most known types of horizontal heaters are:
vertical storage tanks double shell,
vertical storage tanks with one or two spiral coils,
combined storage tanks (tank in tank)
trays without coil