WATER HEATER Russian patent published in 2014 - IPC F22D1/32 

FIELD: heating.

SUBSTANCE: water heater includes heat exchange tubes installed in a vertical housing, the lower and upper ends of which are fixed in a side wall of a vertical header of the heated water, which is provided with a manhole, as well as the heated water supply and discharge branch pipes fixed in the lower wall of the header; with that, the upper part of the header is connected to the heated water discharge branch pipe by means of ducts, one of which is longitudinally installed throughout the header height opposite the lower ends of the heat exchange tubes; with that, a repair branch pipe with a detachable cover plate is installed on the housing; the header manhole is made in its upper wall and located under the detachable cover plate of the repair branch pipe, and the duct longitudinally installed throughout the header height opposite the lower ends of the tubes has a detachable design and can be longitudinally moved in the header.

EFFECT: improvement of repairability of the water heater.

2 dwg