Gas-fired water heater

Heat trap

Heat trap

Heat trap with non-rotating sealing member

Heating device having a thermal cut-off circuit for a fuel...

High-efficiency water heater dip tube and method for...

Ignition inhibiting gas water heater

Ignition inhibiting gas water heater

Infrared and gas fluid heater system

Inlet heat recovery module for water heater

Low NO.sub.x gas burner and method of operation

Method and apparatus for thermal powered control

Methods of operating a fuel-fired heating apparatus

Multi-function water heater control device

Multi-stage hot water heating apparatus

Portable instant hot water heater

Potable water temperature management system

Power vented, fuel fired water heater with soft ignition system

Programmable water heater

Secondary burner for sealed combustion chamber of a...