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Motor protective means
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Thermostatic regulating device
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Electric contact device
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Thermoelectrically controlled gas valve
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Retractable thermostat assembly
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Mixing valve for hot and cold water installations
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Thermostatic control valve
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Regulating valve, especially thermostat-controlled radiator regulating valve
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Regulating valve with cylindrical valve body
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Mixing valve for hot and cold water installations
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Mixing valve for hot and cold water systems
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Device for achieving a response shift in a fuel valve for an oil firing system
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Contact phial for thermostatically operated valves and similar devices which are subjected to the action of gaseous or liquid pressures
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Electric circuit with a resistance member sensitive to light or heat
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Pilot-controlled regulating valve
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Thermostat for hot water heater
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Double-acting rotary piston pump
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Rotary pumps a device for reversing the rotation of the pump without reversing its direction of suction
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Low pressure atomizer nozzle for oil burners
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Photoelectric switching device
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