ao smith

Water heaters; electrical boilers and heating boilers; hot water generators operated with steam or boiler water as energy source; packaged hot water generator systems; hot water tanks, namely, pump tanks, expansion tanks and retention tanks; hot water storage tanks; Water filtering apparatus; water purifying apparatus; water softening apparatus; water acid neutralizers; water descalers; water filters; filters for drinking water; water filtering devices, namely, water purification installations for use in whole-home water filtration units, refrigeration water filtration units, under-sink water filtration units and reverse osmosis water filtration units; water filtration replacement cartridges for use in refrigerators, ice makers, under-sink water filtration units, whole-home water filtration units and reverse osmosis water filtration units; accessories for the aforementioned goods, namely, strap wrenches for changing replacement water filters, silicone lubricants and o-rings for sealing water filtration units, and grounding kits.