Bosch AquaStar 2400ES Tankless Water Heater
Bosch AquaStar 2400ES
Many homeowners faced with increasing energy costs have decided to install tankless water heaters to completely supply all the hot water needs of their household. The Bosch AquaStar 2400ES tankless water heaters are engineered to provide enough hot water for two simultaneous applications, save roughly 50% on energy costs and have an estimated life of over 20 years with an 82% efficiency rating. The heaters are supplied in either natural gas or LP versions.
The 2400ES has a maximum energy input of over 175,000 BTU/hr and can supply a maximum of 6.4 gpm with a 45˚F temperature rise. This performance decreases, however, as the inlet water temperature decreases, yielding 3.2 gpm with a 90˚F temperature rise. The minimum flow rate to activate the heater is 0.65 gpm. Both inlet and outlet water connections are ¾" NPT standard fittings.
Another benefit of this model is that there is no standing pilot light. Ignition is completely electronic and powered by a conventional 120V household outlet. Outlet temperatures are thermostatically controlled and variable from 100˚F to 140˚F with a default setting of 122˚F.
The Bosch Aquastar 2400ES features a forced exhaust system. As a consequence, the heater vent can either be terminated horizontally or vertically. Exhaust piping is 3" diameter and must be stainless. The heater also offers a sealed room feature where not only exhaust is vented outside, but combustion air is brought into the heater via separate piping (either 3" PVC, aluminum, or galvanized metal) from the outside as well. Safety features include a flame failure device, pressure relief valve, over heat prevention, and monitoring of both inlet and outlet temperatures.
Bosch offers a 12 year warranty on the heat exchanger in a regular single-family residential application. This drops to 5 years in a recirculation system and 2 years in other, non-residential applications. All other parts are warranted for 2 years.
Bosch AquaStar 2400ES Tankless Water Heater Deals on Ebay:
US $895.99
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