Drain pans specially adapted for water heaters to protect from condensation, leaks, and overflow; Friction lighters for igniting gas; Gas burners; Gas hobs; Metal cylindrical chamber and screen for use in filtering and removing settleable solids from liquid; Pulse igniters for gas stoves; Replacement components for automotive air conditioners, namely, driers and blower motors; Safety accessories for gas pipes, namely, flashback arrestors and reverse flow check valves