Fuel-fired water heated with combination drainage pan and combus

Details Fuel-fired water heated with combination drainage pan and combus Fuel-fired water heated with combination drainage pan and combus

1991-05-09

1992-02-04

Yeung, James C.

Stoves and furnaces

Liquid heater

Boiler receiving hot liquid or steam from stove or furnace

126350R, 137312, 122504, F24H 100

Patent

active

050852051

ABSTRACT:
A fuel-fired water heater has a plurality of bottom end legs which hold the bottom end of the heater a few inches above the floor, and a fuel burner positioned directly above a combustion air inlet in the bottom end of the heater body. To assure that all combustion air delivered to the burner is taken from a height at least 18" above the floor, a bottom end portion of the water heater is positioned within a floor supported, horizontally enlarged drain pan which vertically extends to at least 18" above the floor. In one embodiment thereof, the drain pan has an open top through which combustion air enters and is drawn downwardly to the bottom air inlet of the heater, and in another embodiment the drain pan top is closed off and combustion air is ducted into the pan from a remote, higher location. The pan has an outlet fitting which may be connected to a pipe or hose to drain away any water leaking from the water heater, or from closely adjacent piping and/or fittings connected thereto.

REFERENCES:
patent: 957375 (1910-05-01), Raser
patent: 2328245 (1943-08-01), Yavitch
patent: 3473553 (1969-10-01), Collins
patent: 3920031 (1975-11-01), Maxfield
patent: 4765360 (1988-08-01), Baird
patent: 4909274 (1990-03-01), Rodriquez
patent: 4944253 (1990-07-01), Bellofatto

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