TEMPERATURE CONTROLLED ELECTRIC SWITCHES, CIRCUIT BREAKERS, THERMOSTATS, RELAYS, ELECTRIC MOTOR PROTECTORS, PRESSURE SWITCHES, CURRENT AND VOLTAGE SENSORS, OVERLOAD SENSING CONTROLS AND HEATERS AND SENSORS FORMED OF ELECTRICALLY CONDUCTIVE MATERIAL HAVING A POSITIVE TEMPERATURE COEFFICIENT (PTC) OF RESISTIVITY

TOY JUMPING DISC MADE OF DISHED THERMOSTATIC BIMETAL DESIGNED TO BE ACTUATED BY TEMPERATURE CHANGE

[ WATER, STEAM, AND ] GAS VALVES

TEMPERATURE CONTROLLED ELECTRIC SWITCHES USED, FOR EXAMPLE, IN THE CONTROL OF THE GAS BURNING FURNACES

THERMOSTATIC CONTROLS

[ WATER, STEAM, AND ] GAS VALVES