Not for use with Ruud Heat Pumps - Top flange 12.625 inch front to back and 16 inches wide - Bottom flange 17.50 inches front to back and 19.25 inches wide - Multiposition: upflow, horizontal left and horizontal right applications - Factory installed high efficiency indoor coil - 1/3 horsepower PSC motor with 10 x 7 blower wheel - Sturdy construction with 1 inch of reinforced foil faced jacket insulation for excellent thermal and sound insulation - Blower assembly slides out for easy maintenance - TXV4-A expansion valve on indoor coil provides for operation with air conditioning or heat pump using the same coil - Coils are constructed of aluminum fins bonded to internally grooved copper tubing - Molded corrosion resistant condensate drain pan is provided on all indoor coils - Drain pans have right or left side connections - Includes compressor lockout switch - AC coil connections are swaged and factory sealed with copper caps - Includes a 1 inch throwaway filter - Factory installed time delay relay - Heavy gauge embossed galvanized steel cabinet