9
Power controllers for boilers; water level sensors for boilers; oil level sensors for boilers
11
Hot water heaters; gas water heaters; hot water space heating apparatus; hot air space heating apparatus; gas furnace boilers; furnace boilers for household purposes; dampers for heating, namely, control devices used in air ducts to regulate the flow of air; warming pans for beds; gas burners for boiler; blowers for boiler; heat circulation pumps for boilers; structural parts for industrial and domestic gas burners, namely, motors; caps for radiators for industrial and domestic air conditioning purposes; radiators for industrial and domestic air conditioning purposes; heaters for instant hot water; air heating furnaces; gas scrubbers; air purifiers; structural parts for furnace boilers, namely, circulation devices; gas refrigerators; refrigerating machines; cooling evaporators; cooling towers; water cooling tanks; freezers; air conditioners; ventilators for domestic use and ventilators for industrial use; ventilating exhaust fans; gas burners for domestic use and gas burners for industrial use; gas cocks; petrol burners for domestic use and petrol burners for industrial use; air sterilizers not for medical purposes; air filters for domestic use and air filters for industrial use; ionization apparatus for the treatment of air; air deodorizing apparatus, namely, electric dispensers for air fresheners and deodorizers to be plugged into wall outlets; clean rooms; water sterilizers; heat exchangers, not being parts of machines