1. Buy Commercial Electric Water Heaters A. O. Smith DEL-30D Water Heater - 30 Gallon Commercial Electric 30 Gallon Commercial Gas Compatible with Eastman 60023 expansion tank Warranty 3-Year Limited Warranty Dura-Power Commercial Electric Water Heaters The Dura-Power™ DEN (standard upright) and DEL (lowboy) series is available with tank capacities from 6 through 119-gallons. They can be installed for nonsimultaneous and single element operation (maximum input up to 6 kW), or for simultaneous dual-element operation (maximum input up to 12 kW). Features: Glass lined tank - tank interior is coated with glass specially developed by A. O. Smith Ceramic Research for water heater use Elements - zinc plated copper sheaths for longer life. Medium watt density; means lower surface temperature to minimize scale build-up and more surface to heat water. D denotes Dual Element.

2. Standard voltages - 208, 240 and 480V unbalanced three-phase delta; easily converted to single-phase at terminal block (except 208V with 6000 watt elements). Factory installed terminal block -just bring the service to heater and connect to block. Terminal block not supplied on 120V & 277 volt models. Controls - temperature control (adjustable through a range of 120° to 180°F on dual element) and manual reset high temperature cutoff per element (dual element models). Factory wired for non-simultaneous operation; easily converted to simultaneous element operation (three phase models only) CSA certified and ASME rated T&P relief valve Simplified circuitry, color coded for ease of service Anode rod for maximum corrosion protection Cabinet has bonderized undercoat with baked enamel finish Top inlet and outlet openings Drain valve Surface mounted thermostats UL approved field conversion program A. O. Smith DEL-40D Water Heater - 40 Gallon Commercial Electric AO-Smith-40-Gallon-DEL-40D $1609.00 40 Gallon Commercial Gas Compatible with Eastman 60023 expansion tank

3. Warranty 3-Year Limited Warranty Dura-Power Commercial Electric Water Heaters The Dura-Power™ DEN (standard upright) and DEL (lowboy) series is available with tank capacities from 6 through 119-gallons. They can be installed for nonsimultaneous and single element operation (maximum input up to 6 kW), or for simultaneous dual-element operation (maximum input up to 12 kW). Features: Glass lined tank - tank interior is coated with glass specially developed by A. O. Smith Ceramic Research for water heater use Elements - zinc plated copper sheaths for longer life. Medium watt density; means lower surface temperature to minimize scale build-up and more surface to heat water. D denotes Dual Element. Standard voltages - 208, 240 and 480V unbalanced three-phase delta; easily converted to single-phase at terminal block (except 208V with 6000 watt elements). Factory installed terminal block -just bring the service to heater and connect to block. Terminal block not supplied on 120V & 277 volt models. Controls - temperature control (adjustable through a range of 120° to 180°F on dual element) and manual reset high temperature cutoff per element (dual element models). Factory wired for non-simultaneous operation; easily converted to simultaneous element operation (three phase models only) CSA certified and ASME rated T&P relief valve Simplified circuitry, color coded for ease of service Anode rod for maximum corrosion protection Cabinet has bonderized undercoat with baked enamel finish Top inlet and outlet openings Drain valve Surface mounted thermostats UL approved field conversion program

4. For more info, log on to https://www.commercialwaterheatersales.com/a-o-smith-del-30d-water-heater-30-gallon- commercial-electric/ https://www.commercialwaterheatersales.com/a-o-smith-del-40d-water-heater-40-gallon- commercial-electric/ Contact Us: 300 N. Clara Santa Ana, california USA 92703 714-558-8838