Solar energy. The source of Earth's solar power: the Sun. Solar energy is radiant light and heat from the Sun that is harnessed using a range of ever-evolving technologies such as solar heating, photovoltaics, solar thermal energy, solar architecture, molten salt power plants and artificial photosynthesis.
A general guide to follow for your water line: 1  The average single or 2 family home with 2-4 bathrooms and 2 kitchens, will most likely require a 1â-1 Â¼â copper water line. 2  3 family homes will most likely require a 1 Â½â copper water line.
Rough-in Dimensions (not to scale) Left Side View (not to scale) 16 3/8â 24 1/4â 333/4â Min. From rear to center of water inlet valve. 90Â° 90Â° 1 1/2â 6â 24â 6â 1 1/2â 71/2â Hot Water Line Electrical Wiring 3â 4â 24â min. 18â 341/4â min. Electrical, water, and drain lines must be confined to shaded area.