Material treatment consulting services in relation to all of the following: household sanitary apparatus and installations, domestic waste water treatment system installations, purification systems for domestic waste water treatment installations, purification systems for household sewerage, chemical treatment apparatus for household water purification systems, filters and filter systems for domestic waste water treatment, filters and filter systems for household water purification apparatus, aeration systems for domestic waste water treatment and purification apparatus, disinfectant apparatus, reactor vessels for aerobic and anaerobic water treatment systems, settling vessels for domestic waste water treatment systems, pumping apparatus for domestic waste water treatment systems

Apparatus for producing hot water; Apparatus for the supply of hot water; Boilers for hot water supply installations; Electrically heated hot water tanks; Hot water apparatus; Hot water boilers; Hot water cylinders; Hot water heaters; Hot water heating installations; Hot water supply heaters