Access door construction for a water heater

Apparatus and method for burning a combustible gas, and a heat e

Apparatus and method for producing and storing heated liquid

Apparatus for sealing a foam insulated water heater

Atmospheric gas burner

Automatic control system for water heaters

Automatic water heater system

Auxiliary heating device for standard hot water type home heatin

Burner mounting bracket

Catalytic fluid heater

Combination hydronic space heater and tankless hot water heater

Destratifier for hot water tanks

Device for minimizing hot water heat loss in a water heater

Fire safety collar for gas water heaters

Flame protector for hot water heaters in recreational vehicles

Flash suppressor for hot water heater

Fluid supply systems

Fuel efficient rapid response water heating module

Fuel-fired water heated with combination drainage pan and combus

Gas burning apparatus