Abstract: An apparatus for heating fluid and distilling fluid includes a main tank for containing fluid to be heated by a main gas heater and a pilot light for heating the main tank, a condensing tank for passing fluid to the main tank and having one or more heat conducting rods that allow heat to be conducted to the lower region of the condensing tank, an evaporator tank for vaporizing fluid and being heated by the pilot light, a condensing coil for exchanging heat between fluid vaporized by the evaporator tank and fluid in the condensing tank, a holding tank for receiving fluid from a main source, a delaying float bowl tank to receive fluid from the holding tank and including a first fluid flow regulator for regulating fluid flow to the evaporator tank according to an amount of fluid in the delaying float bowl tank, and a distillate tank.