Residential Fan Coil with Standard Environmentally Sound R410A Features: 1-1/2 thru 4 tons Factory Installed Piston Metering Device with Teflon Ring High Efficiency ECM, 5-Speed Motor Copper Tube/Aluminum Fin Coil On Standard Models Available with Industry Exclusive Tin Coated Copper Main Tubing For Additional Corrosion Protection (Identified with 'T' At End Of Model Number) Available with Aluminum Main Tubing (Identified with 'L' At End Of Model Number) Sweat Connections Primary and Secondary Drain Fittings with Brass Inserts Low Voltage Circuit Protective Fuse (3 Amp) Inline On Wire Harness Multiple Electrical Entry Locations Time Delay Relay (TDR) Field Installed Heater Packages From 5 Kw - 30 Kw Available Separately 208/230-1-60 Supply Voltage Units Tested and Certified By Manufacturer To Achieve A 2% or Less Leakage Rate At 1.0 Inch Water Column 1 Inch Thick Insulation with R Value Of 4.2 Multiposition Installation - Upflow or Horizontal Left Standard, Horizontal Right with Minor Modification (Field Convertible To Downflow with Available Accessory Kit) No Heat (Plug) Kit Factory Installed Filter (Washable) Available As Accessory HUD Approved For Manufactured Housing WARRANTY 1 Year No Hassle Replacement Limited Warranty 5 Year Parts Limited Warrant With Timely Registration, An Additional 5 Year Parts Limited Warranty * For Owner-Occupied Residential Applications Only. See Warranty Certificate For Complete Details and Restrictions, Including Warranty Coverage For Other Applications.