WATER HEATER WITH FEEDBACK CONTROL SYSTEM

WATER HEATER HAVING BACKUP POWER SYSTEM

Systems and methods for controlling a water heater

METHOD AND SYSTEM FOR LIMITING WATER BOILER HEAT INPUT

Control system for modulating water heater

Water heating system

Control system methods for networked water heaters

Water Heating System

Hot water supply system, water heater and hot water supply control method

Method for examining water heater safety

Direct vent/power vent water heater and method of testing for safety thereof

Water heater and control method therefor

Economically-operated, dual-energy hot water supply system and method of operating the same

System to Lower Emissions and Improve Energy Efficiency on Fossil Fuels and Bio-Fuels Combustion Systems

CONTROL FOR A TANKLESS WATER HEATER USED WITH A SOLAR WATER HEATING SYSTEM

External Gas Controller For Tankless Water Heater

Submetering hydrocarbon fueled water heaters with energy manager systems

Flow control and improved heat rise control device for water heaters

Combustion apparatus, method for combustion control, board, combustion control system and water heater

SECONDARY HEATING SYSTEM CONTROLLER

Systems and methods for heating water using biofuel

Method and device for controlling outlet water temperature of water heater

Combustion apparatus and method for combustion control

HEAT SOURCE MACHINE

GAS-FIRED HEATING DEVICE HAVING A THERMOPILE

Portable boiler for a hot mat

Frost protection system for condensate drain pipe

Alternative-fuel gas orifice having principal-fuel gas orifice temperature profile and a heating, ventilation and air conditioning system incorporating the same

Furnace vent termination

Header box for a furnace, a furnace including the header box and a method of constructing a furnace

Furnace header box having blocked condensation protection, a furnace including the header box and a blocked condensation protection system

Heat exchanger expanded overlap joint

Self-locating nitrogen oxide reduction baffle for furnace and gas furnace incorporating the same

Heat exchanger having an interference rib

Heat exchanger with fastener

Condensate trap for heating-cooling systems

Condensation management system, a furnace including the same and a condensation collection box

Suspension bracket

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

Mounting bracket for use with a water heater

Fluid heater

Heat balancing system

High-Efficiency Gas-Fired Forced-Draft Condensing Hot Water Boiler

Method for preventing coagulation in exhaust pipe of boiler

WATER HEATER APPARATUS WITH DIFFERENTIAL CONTROL

SENSOR AND BOILER CONTROL SYSTEM

Unregulated integrated function gas valve for a water heater

Boiler control methods

Valve shank mount assembly for a water heater

Control system methods for networked water heaters

Apparatus and control method for a hybrid tankless water heater

WATER HEATING APPARATUS, ESPECIALLY FOR POOLS

Storage type water heater

Systems and methods for controlling a water heater

Integrated dual chamber burner

Water heater with temporary capacity increase

Water heater

Water heater

Mixed energy heater with constant temperature control

Water Heater with partially thermally isolated temperature sensor

Gas fired modulating water heating appliance with dual combustion air premix blowers

Thermal switch for energy sustaining water heater

Low cost tankless portable water heater

Micro-pilot for gas appliance

System and method to reduce standby energy loss in a gas burning appliance

Variable volume energy saving water heater

Control system for modulating water heater

Variable output heating control system

Oil-fired frac water heater

Hot-Water Supplying System of Boiler Equipped With Dual Pipe Heat Exchanger

Water heater and method of operating a waterheater

Hot water storage type hot water supply device

Coolant and potable water heater

HEAT TRACING APPARATUS WITH HEAT-DRIVEN PUMPING SYSTEM

Hot water apparatus

Device for preventing initial hot water supplying in concentric tube type heat exchanger and its control method

Water heater of endorsement with ionized ignition and electronic control of temperature, for solar heaters of the type thermosiphon

Water heater with ionized ignition and electronic control of temperature

Systems and methods for controlling a water heater

Control system for modulating water heater

Water heater stacking detection and control

NATURAL OR PROPANE GAS FEED AUXILIARY ELECTRIC GENERATING SYSTEM FOR BOILERS OR FURNACES

Control system for modulating water heater

Water heating system

Water heater monitor/diagnostic display apparatus

Systems and methods for controlling a water heater

Freeze forecasting device for hot water heating apparatus and hot water heating apparatus

Control for a fuel-fired water heating appliance having variable heating rates

Water heater with dry tank or sediment detection feature

Variable input radiant heater

Method of manufacturing a water heater with a leak detection system

Storage water heater

Circulation type hot water supply device

Water heater energy savings algorithm for reducing cold water complaints

Burner control

WATER HEATER WITH PROGRAMMABLE LOW TEMPERATURE MODE

Condensation heat exchanger with plastic casing

Flammable vapor sensing control for a water heater

Hot-water supply apparatus, anti-freezing method thereof, and anti-freezing program thereof

System and method of fault detection in a warm air furnace

Apparatus and methods for controlling a water heater

Water heater with continuously variable air and fuel input

Hot water supply system

Safety shut off for water heaters

Temperature sensor diagnostic for determining water heater health status

Self-sustaining control for a heating system

Water heating system and method of operating the same

Water heating system and method of operating the same