Bradford White 50 Gallon - 42,000 BTU Defender Safety System Direct Vent Energy Saver Residential Water Heater (Nat Gas)

A Flexible Vent Kit is shipped with this water heater Direct vent (DS) water heaters utilize a co-axial (pipe inside a pipe) vent pipe that takes air in from the outside (outer vent) and vents combustion gases directly back to the outside (outer vent). It is the perfect choice for situations with insufficient combustion air. No electricity required. Features: Flexible Vent Kit - The maximum vent length (horizontal and vertical) can be flexed to 100" (horizontal termination only). Bradford White ICON System - Intelligent gas control with proven millivolt powered technology and built-in piezo igniter. A standard, off the shelf thermopile converts heat energy from the pilot flame into electrical energy to operate the gas valve and microprocessor. No need for external electricity. Enhanced Performance - Proprietary algorithms provide enhanced First Hour Delivery ratings and tighter temperature differentials. Advanced Temperature Control System - Microprocessor constantly monitors and controls burner operation ...