The Suburban SW12DEL Gas Water Heater provides reliable service and easy maintenance. This high-recovery 12, 000 BTU/hour model features a porcelain steel tank, foam insulation, large diameter drain, and replaceable anode rod to absorb corrosive electrolysis action. The one-piece, die-formed housing protects controls and connections yet offers easy access. Fits cut-out openings of prior models. Access door and frame are easily installed on any type RV side. The SW12DEL Model also lets you take advantage of campground or generator power to heat your water with the 1440-watt Incoloy electric element. The Incoloy electric element provides a recovery rate of 6.1 gallons per hour. For a faster recovery rate of 16.2 gallons per hour, use both gas and electric simultaneously. The 12-volt relay switch lets you conveniently control the water heater gas ignition and power from inside your RV. Note: Gas appliances should be installed and/or serviced by a qualified service technician. Model: SW12DELGallon Capacity: 12Input: 12, 000 BTU/h / 1440 WattsRecovery (Gas): 10.1 gal./hr. Recovery (Electric): 6.1 gal./hr. Height: 16-7/32"Width: 16-7/32"Depth: 22-1/4"Unit Net Weight: 48.0 lbs. (empty) / 148.08 lbs. (full) Porcelain steel tank with foam insulation Access door & frame are easily installed Relay switch for control from inside your RV | Suburban Direct Spark Ignition and Electric Element with 12-Volt Relay Switch (DEL) Gas Water Heater, 12 Gallons