9 Electronic Control Units, Electro-Mechanical Control Units Comprising Sensor Units, Signal Conditioning Units, Logic Units, and Output Control Units as Applied to the Control of Solar Heating Installations
11 Solar Heating Collector Units, Air Moving Fan Units, Air Moving and Valving Fan Units, Air Ducting, Solar Collection Systems Comprising Solar Heating Collector Units, Air Moving Fan Units and or Air Moving and Valving Fan Units, Air Ducts