WATER HEATER APPLIANCE EXHAUST SYSTEM FOR RECREATIONAL VEHICLES

SINGLE PASS HIGH-EFFICIENCY CONDENSING WATER HEATER

Systems and Methods for Combustion Tube Assemblies for Water Heaters

BURNER AND WATER HEATER COMPRISING SAME

Condensation Heat Exchanger

WATER HEATER

AIR HEATING APPARATUS

Gas-fired steam boiler with gap structure

SINGLE PIECE COMBUSTION PRODUCT DIVERTER FOR WATER HEATERS

OXYGEN GENERATING GAS WATER HEATER ASSEMBLY AND METHOD OF OPERATION FOR AN OXYGEN GENERATING WATER HEATER

CONDENSING HEAT EXCHANGER AND WATER HEATER HAVING SAME

AIR PRESSURE DETECTION DEVICE, COMBUSTOR, GAS WATER HEATER, METHOD AND APPARATUS FOR CONTROLLING GAS WATER HEATER, AND COMPUTER-READABLE STORAGE MEDIUM

WATER TANK ASSEMBLY OF HEATING DEVICE, AND HEATING DEVICE

Water heater

Heat exchanger and water heater equipped with the same

WATER HEATER

Heat exchanger

Heat Exchanger Tubes and Tube Assembly Configurations

Water heater having highly efficient and compact heat exchanger

COMBUSTION CELL FOR A HEATING SYSTEM

HEAT EXCHANGER BAFFLES AND METHODS FOR MANUFACTURING THE SAME

Multi-flue heat exchanger assembly with baffle insert

Combustion gas permeable condensation trays for water heating systems

WATER HEATING DEVICE AND METHOD FOR MANUFACTURING SMOKE TUBE FOR WATER HEATING DEVICE

Turbulator for heat exchanger

Gas mixing device and gas water heating device

Heat exchange pipe, heat exchanger and water heating apparatus

Water heating device

Fume exhaust assembly and gas water heater

Counter balanced lid

Heat exchanger tubes and tube assembly configurations

Systems and methods for controlling gas powered appliances

Bell mouth, air supply assembly including the bell mouth, and air supply control system using the bell mouth

Smoke tube boiler

Oil boiler

Heat exchanger including flue flow path guide system

Heat exchange system with siphon for draining a condensate

COMBUSTION APPARATUS AND HOT WATER APPARATUS

Heat exchanger including flue flow path guide system

Heat exchanger for heating water

Heat exchange device and heat source machine

Reduced size fire tube boiler system and method of operating same

Heat exchanger and hot water apparatus

Tubular heat exchanger

Combustion apparatus

Deflector for condensation heat exchanger and exchanger provided with such a deflector

Heat exchanger

Heating device

Heat exchanger

SECTIONAL HEAT EXCHANGER FOR USE IN A HEAT CELL

Heat exchanger

Fire tube

Gas heat exchanger with baffle for deep fat fryer

Heat exchanger and production method of the heat exchanger

Heat exchanger

Condensing water heater and condensation control system

Exhaust duct

Straight fin tube with bended fins condensing heat exchanger

Cover assembly, blower assembly and associated method

Turbulence member and heat exchanger using same, and water heater

Compact fluid heating system with high bulk heat flux using elevated heat exchanger pressure drop

System and method to reduce standby energy loss in a gas burning appliance and components for use therewith

Heat exchanger tube and heating boiler having such a heat exchanger tube

Method for low NOx fire tube boiler

Heat exchanger, method for forming thereof and use thereof

Heat exchanger for condensing gas boiler

PREHEATER SYSTEM FOR WATER HEATER INPUT WATER

Combustion apparatus and water heater having same

Heat exchanger, in particular for a condensation boiler

Heat exchanger having arcuately and linearly arranged heat exchange tubes

Sectional heat exchanger for use in a heat cell

Exchanger for heating boilers

Water heater

Heat exchanger

Gas-fired water heater with separable heat exchanger or detachably connected external water heater

Water heater

Water heater

Combined fuel cell and boiler system

Coil and serpentine bent fin tube condensing heat exchanger

Exhaust case and combustion apparatus provided with the same

Combined gas-water tube hybrid heat exchanger

Conversion of single-pass boiler to multi-pass operation

Water heater having upstream and downstream manifolds

Coil tube heat exchanger for a tankless hot water system

Coil tube heat exchanger for a tankless hot water system

LOW EMISSION, WOOD FUELED HYDRONIC HEATER

HEAT EXCHANGER TUBE

FUEL-FIRED WATER HEATER WITH AIR DRAFT INDUCER AND FLUE HEAT EXCHANGER

Hot fluid production device including a condensing heat exchanger

Exhaust adapter and combustion apparatus having the same

Boiler

Gas-fired water heater with separable heat exchanger or detachably connected external water heater

High capacity fuel-fired liquid heating apparatus

WATER HEATER WITH COUNTER-TWISTED BAFFLE

FIRETUBE HAVING THERMAL CONDUCTING PASSAGEWAYS

HIGH TURN DOWN LOW NOX BURNER

System and method to reduce standby energy loss in a gas burning appliance and components for use therewith

Fire tube heater

Heat exchanger

Coil tube heat exchanger for a tankless hot water system

HEAT EXCHANGE TUBE WITH INTEGRAL RESTRICTING AND TURBULATING STRUCTURE

METALLIC POROUS BODY INCORPORATED BY CASTING INTO A HEAT EXCHANGER

ENERGY EFFICIENT INDUCED AIR GAS WATER HEATER

Heat exchanger for a boiler

WATER HEATERS WITH SEALED DOOR ASSEMBLY

WATER HEATERS WITH SEALED DOOR ASSEMBLIES

Water heaters with sealed door assembly

WATER HEATERS WITH FUEL LINE AND DOOR ASSEMBLY

Thermal switch for energy sustaining water heater

HEAT EXCHANGER AND HEATING APPARATUS PROVIDED THEREWITH

WATER HEATER WITH FORCED DRAFT AIR INLET

Structure of heat exchange apparatus for gas boiler

WATER HEATER WITH HIGH EFFICIENCY BAFFLES

Heat exchanger particularly for thermal generators

High efficiency wood or biomass boiler

Energy re-claimer

WATER HEATERS WITH COMBUSTION AIR INLET

COMBUSTION SYSTEM

Liquid Heater and Steam Boiler

Forward combustion type condensing gas water heater

Heat exchanger and method of producing the same

High efficiency water heater

Boiler

Heat exchange element and heating system provided with such heat exchange element

Heat exchanger tube with integral restricting and turbulating structure

Boiler gas flow distribution fin apparatus and method

Baffle for sealed combustion chamber

Pipe in a fire tube boiler

Gas water heater damper/baffle

Water heater

Finned tube heat exchanger and method

Windproof structure for flue outlet and gas water heater

Combustion gas permeable condensation trays for water heating systems

Multi-pass boiler and retrofit method for an existing single-pass boiler