Thrush Co., Inc.

machine parts, namely, heat exchangers for domestic, commercial, and industrial use | heat exchangers, not being machine parts, for domestic, commercial and marine use

machine parts for use in hot water heating systems and air conditioners, namely, circulators, pumps, and electrically operated centrifugal type pumps | automatic fluid control valves made of metal and parts therefore | tube type heat exchangers for use in hot water heating systems and parts therefore; water filtering apparatuses for use in hot water heating systems and parts therefore; air and dirt separators for use in hot water heating systems and parts therefore; water heaters

Separators for the cleaning and purification of air, gasses, and liquids for use with heating and cooling systems; devices in the nature of a separator for the cleaning and purification of air, gasses and liquids for use in eliminating gas and particulate from heating and cooling systems

Water heaters; device in the nature of a heating system comprised of a hot water heater and hot water tank that produces semi-instantaneous hot water for use in water systems; and, water heater system comprised of a heat exchanger, circulator pump, aquastat temperature limit, solenoid valve, electrical connection panel, temperature gauge, pressure relief valve, vacuum breaker, modulating control valve and support stand, sold as a unit

Class 007: Devices for purging air from hot water heating systems