Plumbing fixtures, namely, shower sprayers; Plumbing fixtures, namely, shower mixers; Faucets; Water faucet spout; Single-lever faucets for sinks; Plumbing fittings, namely, aerators for faucets; Faucet sprayers; Water conservation plumbing fixtures, namely, faucets, aerators, showerheads, water saving toilets; Plumbing fittings, namely, faucet filters; Water control valves for faucets; Manually-operated plumbing valves; Flushometer valves; Steam valves; Plumbing fittings, namely, valves; Mixing valves for faucets; Automatic flush valves for toilets; Plumbing fittings, namely, tub control valves; Plumbing fittings, namely, shower control valves; Thermostatic valves; Thermostatic valves as parts of heating installations; Regulating accessories for water supply, namely, metered valves; Plumbing fittings, namely bibbs, cocks, traps, and valves; Replacement parts for heating installations, namely, boilers, coils, and thermostatic valves; Floor drains; Plumbing fittings, namely, drains; Strainers for plumbing drains; Sink drainer system comprised of a drain tray, sink mount, kick stand and rod; Pipes for heating boilers; Heat-stabilized polypropylene pipes for heating installations; Mixer faucets for water pipes; Boiler pipes for heating installations; Heat pipes to cool heat producing components; Pressure regulators for gas pipes and lines; Flexible pipes being parts of sink plumbing installations; Flexible pipes being parts of shower plumbing installations; Flexible pipes being parts of bath plumbing installations; Safety accessories for gas pipes, namely, flashback arrestors and reverse flow check valves; Plumbing fittings, namely, cocks; Plumbing fittings, namely, bibbs; Plumbing fittings, namely, baffles; Plumbing fittings, namely, spouts; Plumbing fittings, namely, couplers; Plumbing fittings, namely, traps; Plumbing fittings, namely, sink strainers; Shower control fittings, namely, escutcheons; Toilets; Water-saving toilets; Bidet attachments for toilets; Toilet bowls with integrated bidet water jets; Toilet bowls; Toilet tanks; Toilet seats; Toilet seat lids; Toilet conversion kits for converting a single-flush toilet into a dual-flush toilet; Toilet accessories, namely, handles that are affixed to toilet seats; Sinks; Bathroom sinks; Kitchen sinks; Kitchen sink sprayers; Plumbing fixtures, namely, sink traps; Plumbing fixtures, namely, sink sprayers; Water heaters; Hot water heaters; Solar water heaters; Tankless water heaters; Induction water heaters; Instantaneous water heaters; Gas water heaters; Hybrid water heater; Air-source heat pump water heaters; Drain pans specially adapted for water heaters to protect from condensation, leaks, and overflow; Electric water heating apparatus; Gas water heater for bathtub consisting of circulation pump with thermostat to fill, re-heat water and keep water warm; Economisers, namely, devices for warming feed water in heating boilers; Heating and cooling apparatus for filtering and dispensing hot and cold drinking water; Heating systems composed primarily of tubes, pipes and manifolds through which warm or high temperature water circulates; Heating systems composed primarily of tubes, pipes and pre-assembled manifolds through which cold or low temperature water circulates; Heat pumps; Central heating boilers; Boilers for heating installations; Hot water heating installations; Industrial furnaces; Refractory furnaces; Gas furnaces; Air heating furnaces; Air filters for furnaces; Furnaces for central heating; Indoor radiant heating systems; Heating installations; Heating furnaces; Air heating apparatus; Electric heating fans; Heating apparatus for furnaces; Installations for central heating; Heating units for industrial purposes; Heating furnaces for industrial purposes; Heating furnaces for industrial use; Heating installations for industrial use; Combined heating and air-conditioning apparatus; Central heating installations; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, control panel switches, and electrical wire, all sold as a unit; Flues for heating boilers; Electrical heating cables; Electrical heating tapes; Pipe heating tape; Floor heating apparatus; Underfloor heating apparatus and installations; Air conditioners; Residential air-conditioning units; Air conditioning units; Window-mounted air conditioners; Mounting brackets adapted for window-mounted air conditioners; Smart air conditioners; Smart air conditioning apparatus; Air-conditioning apparatus for commercial buildings; Air cooling systems comprised of air conditioning and desiccating units; Valves for air conditioners; Evaporators for air conditioners; Air conditioning filters; Air conditioning installations; Components for air conditioning and cooling systems, namely, evaporative air coolers; Fans for air conditioning apparatus; Fan blades for air conditioning units; Fan blade assemblies for air conditioning units; Axial fans for air-conditioning; Blower wheel housings for air conditioning units; Air conditioning panels for use in walk-in coolers; Air-conditioning, air cooling and ventilation apparatus and instruments; Filters and filtering devices for air and gas conditioning; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Air-conditioning installations; Evaporators for air-conditioning apparatus; Fans for air-conditioning apparatus; Air-conditioning apparatus and installations; Fans for air-conditioning installations; Electrical fans being parts of household air-conditioning installations; HVAC units; Geothermal-based HVAC units; Fans for HVAC units; Air filters for HVAC units; Fan blades for HVAC units; Blower wheel housings for HVAC units; Fan blade assemblies for HVAC units; HVAC refrigerant line sets comprised of pipes for connecting indoor and outdoor units; Dampers, namely, control devices used in air ducts to regulate the flow of air; Fabric air dispersion ducts for distributing and dispensing air as part of a HVAC system; Humidifiers; Industrial humidifiers; Air humidifiers; Humidifiers for central heating radiators; Interior environment control system for commercial buildings, namely, heaters, ventilators and humidifiers all sold as a unit; Humidification apparatus for use with air-conditioning apparatus; Dehumidifiers; Industrial dehumidifiers; Air purifiers; Air filtering units; Industrial air purifiers; Industrial air filter machines; Robotic air purifiers; Filters for air purifiers; Air exchangers for cleaning and purifying air; Air purification units; Air purifying machines; Ozone generators for air purification; Water softening units; Water softening apparatus and installations; Water filtration apparatus; Water treatment equipment, namely, water filtration units; Water treatment equipment, namely, chemical sterilization units; Water treatment equipment, namely, ultraviolet sterilization units; Water purification and filtration apparatus; Water filtration and purification units and replacement cartridges and filters therefor; Water filtration and purification units and replacement cartridges and filters therefor for refrigerators and ice makers