Compact design, side-mounted plumbing and electrical connections (optional top-mounted connections). Designed for installation under a counter, in a crawl space or in other tight spacesGlass Lined TankAnode RodCSA Certified and ASME Rated Temperature and Pressure Relief ValveDurable tamper-resistance brass drain valveEnvironmentally-Friendly Non-CFC Foam Insulation Minimizes Heat LossMeets or Exceeds ASHRAE/IESNA 90.1Certified to UL 174 for Household Electric Water Heaters**Installation fee not included.