Amtrol invented the indirect fired water heater over years ago, redefining the best solution for fast, efficient and reliable water. True to their heritage .SuperStor Indirect Water Heater draws energy from a boiler and thus does not need its own heat source. Comes with durable silver plastic jacket..HTP’s SuperStor Ultra is a high efficiency indirect water heater with a lifetime warranty..Lochinvar’s Indirect Plate and Frame Commercial Water Heater is a factory packaged, skid mounted instantaneous water heater that uses boiler water as the energy source..
A tankless coil water heater provides water on demand without a tank. An indirect water heater uses the main furnace or boiler to heat a fluid that s circulated through a heat exchanger in the storage tank. The energy stored by the water tank allows the furnace to turn off and on less often, which saves energy..