Matches 1 - 13 out of 13
Match Document Document Title
7506386 Portable water heater  
A portable hot water heater for larger-scale applications including emergency use, situations involving hazardous materials, and the like. The hot water heater advantageously efficiently and...
6647302 Human interface panel for boiler control system  
A method of analyzing information from a boiler control system includes providing a series of status modes with each status mode represented as an input condition to be tested. A relative priority...
5903060 Small heat and electricity generating plant  
A combined heat and electricity generating unit is suitable for use in single family homes and the like. When it is operating it provides heat for heating the home and electricity for use by the...
4550689 Gas instantaneous water heater  
Disclosed is a gas instantaneous water heater for use in boats or recreational vehicles comprising a housing divided into a large upper portion and a small lower portion. A gas valve and electric...
4116380 Control device for a central heating installation  
A device for controlling the heating of a hot water boiler includes a first temperature sensor sensing the temperature of the boiler liquid and operating means adapted to switch a control switch....
4077568 Mobile boiler house  
The invention relates to a housing suitable for containing a boiler with its associated water tank and it consists of an upper part which for storage and transport can be telescoped over the lower...
3627202 FORCED CIRCULATION GAS WATER HEATER  
A gas valve for the burner of a water heater is L-shaped with valves in each branch of the L. Push rods, positioned at right angles to each other, respectively operate the valves. One rod is...
3625423 GAS-HEATED HOT WATER HEATER  
A shutter valve is located in the gas supply conduit of the gas burner of a water heating apparatus having several taps from which domestic water may be drawn. A venturi in the line leading to one...
3544005 HOT WATER CIRCULATION HEATING SYSTEM  
3490693 GASEOUS FUEL CONTROL FOR CIRCULATING HEATING SYSTEMS  
3426971 ARRANGEMENT IN A HOT-WATER CIRCULATION HEATING WITH DOMESTIC WATER HEATER  
3383042 Gas-heated continuous-flow heater for hot-water circulation heating  
3258203 Hot-water heating system  
Matches 1 - 13 out of 13