a small, non-storage gas water heater usually with its own taps and swivel spout for fitting over a sink, geyser - apparatus in which the water is heated as it flows through ; an apparatus for rapidly heating water attached to a bath. Also for the heating of water for use in wash-basins, sinks, etc., boiler - soojusvaheti vee kuumutamiseks. Koosneb hrl mahutist ja sellesse paigutatud soojusvahetuspinnast, mille moodustavad torud. Kiirboileris voolab soojusvahetuspinna torudes kuumutatav vesi, toru