Class 042
Computer & Software Services & Scientific Services
Service for certifying that the type, quality, siting and installation in dwellings of gas appliances, gas fires, gas wall heaters, gas space and water heating systems, gas boilers, gas heat generators, gas central heating systems, gas heated warm air units, hot water cylinders, cylinder insulating jackets, water pumps, boilers, warm air unit and pump controls, radiators, warm air convectors, thermostatic radiator valves, gas supplies, gas supply points and multiple occupancy dwellings cost apportionment systems comply with a specified standard.
