Ignition Protected. Measures 16 inches W x 22 inches D x 16 inches H. Mounts horizontally, features hold-down brackets welded to inner tank, and durable marine galvanized steel case. Reliable double-walled rear heat exchanger, 100 psi rating, integrated pressure relief valve. 120V Water Heater has an 11-gallon capacity. Durable, rugged construction ensures a long service life, enhancing the unit's outstanding value. Reliably maintains a large supply of hot water. Made in the USA or Imported.