Water treatment equipment, namely, water filtration units; water treatment equipment, namely, water filtration units for use with water-fed poles for window and surface cleaning; replacement parts for water treatment equipment, namely filters, resin bags and cartridges, hoses, and connectors; filtration units for water treatment apparatus; deionized water treatment system comprised of water filters, a rolling cart, resin bags and cartridges, deionization housings, watertight housings, hoses, and connectors; deionized water treatment device, namely water filtration unit for use in cleaning windows and surfaces.

Water-fed poles specially adapted for use with cleaning brushes and structural and replacement parts therefor; brush attachments, namely, scrubbing brushes for use with water-fed poles.

Checking and controlling apparatus for electrically, oil or gas operated heating, cooking, drying and ventilation apparatus, in particular room heaters, hot water boilers, flow heaters, storage water heaters, closed circuit heaters, combined central heating and service water heaters, heat exchangers, heating boilers, gas burners, oil burners

Electrically, oil or gas operated heating, cooking, drying and ventilation apparatus, in particular room heaters, hot water boilers, flow heaters, storage water heaters, closed circuit heaters, combined central heating and service water heaters, heat exchangers, heating boilers, gas burners, oil burners as well as parts of aforesaid goods, heat accumulating apparatus, central heating apparatus, wall mounted gas heating apparatus and wall-mounted gas hot water apparatus