Water conditioning apparatus, as well as parts and accessories therefor within this class; apparatus within this class for treating water, as well as parts and accessories therefor; apparatus within this class for dosing water with additives, as well as parts and accessories therefor; peristaltic pumps within this class for use in water supply and treatment; metering and dosing apparatus for dosing water to maintain the quality of the water within defined limits; automatic and semi-automatic dosing systems for introducing additives to water in pools and spas; automatic and semi-automatic dosing systems for introducing additives to water supplies for horticultural or agricultural use; valves within this class for controlling fluid flow; controllers for water heating devices, within this class.

Retail and wholesale services; retail and wholesale of chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry, unprocessed artificial resins, unprocessed plastics, fire extinguishing and fire prevention compositions, tempering and soldering preparations, substances for tanning animal skins and hides, adhesives for use in industry, putties and other paste fillers, compost, manures, fertilizers, biological preparations for use in industry and science, electrical conductivity measuring devices for use with water and aqueous solutions, as well as parts and accessories therefor, pH measuring devices for use with water and aqueous solutions, as well as parts and accessories therefor, devices for measuring, monitoring, or logging the physical parameters of water or aqueous solutions, control devices for monitoring water and aqueous solutions, and for controlling the dosing of additives thereto, control devices monitoring water and aqueous solutions, and for controlling equipment maintaining monitored characteristics of the water or aqueous solution within defined limits, electronic controllers for water heating elements, solenoid valves, water conditioning apparatus, as well as parts and accessories therefor, apparatus for treating water, as well as parts and accessories therefor, apparatus for dosing water with additives, as well as parts and accessories therefor, peristaltic pumps for use in water supply and treatment, metering and dosing apparatus for dosing water to maintain the quality of the water within defined limits, automatic and semi-automatic dosing systems for introducing additives to water in pools and spas, automatic and semi-automatic dosing systems for introducing additives to water supplies for horticultural or agricultural use, valves for controlling fluid flow, controllers for water heating devices.