Hercules Product Info 
Hercules Product IdEC1P43B
Product DescriptionCOIL EVAPORATOR 3.5 TO 4TON CASED 3/8IN
Unit of MeasureEA
Manufacturer Info 
Manufacturer NameAllied Air Enterprises
Brand NameArmstrong Air®
Part NumberEC1P43BG-1
Product UPC662551315868
Product DescriptionArmstrong Air® EC1P43BG-1 EC1P-1 Evaporator Coil, 3.5 to 4 ton Nominal, Upflow/Downflow Air Flow, Cased Enclosure, R-22/R-410A Refrigerant
Product Features
Upflow/counterflow (EC1P) for application flexibility
Microban® antimicrobial additive in the drain pan to resist mold and mildew growth
One of the lowest water retention drain pans in the industry to minimize mold and mildew growth
Interlocking door assemblies and snug line seal grommets to minimize air leakage
External cabinet mounted distributor body designed for easy changing of orifice sizes and fast TXV connections
Foil-face insulation for easy cleaning
Two dual drain connections on front of coil for install flexibility of drain lines around furnace vent and utility connections
Tubing located at door split for easy coil service or coil cleaning
All drain pans are compatible with UV lights
Piston expansion device
0.76 in orifice
Fits 17-1/2 in W matching gas furnace cabinet
Product Documents 
Document TypeDownload Link
Specification SheetEC1P43B_Specification Sheet (pdf)
Product Specifications 
Series EC1P-1
Nominal Capacity 3.5 to 4
Air Flow Type Upflow/Downflow
Refrigerant Type R-22/R-410A
Liquid Line Size 3/8
Suction Line Size 7/8
Enclosure Type Cased
Color Platinum Gray
Dimensions 29-1/2 in H x 17-1/2 in W x 21 D
Certifications AHRI Certified|cULus Listed