Leprosy (Hansen's Disease). Leprosy (Hansen's Disease) is a chronic infectious disease that primarily affects the peripheral nerves, skin, upper respiratory tract, eyes, and nasal mucosa (lining of the nose).The disease is caused by a bacillus (rod-shaped) bacterium known as Mycobacterium leprae.eprosy (Hansen's Disease). Leprosy (Hansen's Disease) is a chronic infectious disease that primarily affects the peripheral nerves, skin, upper respiratory tract, eyes, and nasal mucosa (lining of the nose).
Conventional-storage (tank style) electric water heaters typically sell for $250-$2,000 or more from home improvement stores, plumbing supply houses or online retailers. CostHelper readers report paying $588-$1,389, with an average cost of $777, for complete installation of a 40- or 50-gallon conventional storage electric water heater.
Plumbers typically charge $45-$65 per hour and can typically install a water heater in a day (6-8 labor hours), for a total labor cost of $270-$520. Water heaters that are difficult to access or that are in tight enclosures can take an extra 2-3 hours ($90-$195) to install. Types of water heaters