Hot water storage heater

Details Hot water storage heater Hot water storage heater

1996-02-16

1998-04-07

Bennett, Henry A.

Liquid heaters and vaporizers

Stand boiler

122 17, F22B 500

Patent

active

057352372

ABSTRACT:
The present invention is a commercial water heater comprising a tank dimensioned to hold a quantity of water, a blower, a heater, a heat exchanger in the water, and a control system. The heat exchanger includes a central tube running from the top of the tank to the bottom and a coil connected to and encircling the central tube. The heater is mounted inside the central tube, and the blower is mounted to the top of the tank, which together simplify manufacture and servicing. The blower is capable of delivering sufficient air for combustion at a pressure and velocity sufficient to drive the exhaust gases fifty feet beyond the water heater outlet, thus avoiding the need for a chimney. The water heater according to the present invention has an average efficiency of 93% with a 1% standby loss and is considerably cheaper to manufacture than other similarly efficient water heaters.

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