6-Year Limited Tank Warranty, 6-Year Parts Warranty, 1-Year Labor Warranty. Approved for Manufactured Housing-All residential electric water heaters are compliant with HUD Standards for mobile home/ manufactured housing. Side Water Connections- For ease of installation in mobile home applications. Coregard™ Anode Rod-Our anode rods have a stainless steel core that extends the life of the anode rod allowing superior tank protection far longer than standard anode rods. Long-Lasting Heating Elements-Screw-in, direct immersion, 3500W/240V or 4500W/240V heating elements for maximum efficiency. Blue Diamond® Glass Coating-Provides superior corrosion resistance compared to industry standard glass lining. Enhanced-Flow Brass Drain Valve-Our standard residential water heaters have a solid brass, tamper resistant, enhanced-flow, ball type, drain valve. CSA Certified and ASME Rated T&P Relief Valve