Air Handler – Multiposition (WAHL, WAHM, WAHT)


Multiposition Air Handler


L = Aluminum Tube, Aluminum Fin Evaporator Coil
M = Copper Tube, Aluminum Fin Evaporator Coil
T = Tin Coated Copper Tube, Aluminum Fin Evaporator Coil


  • 1−1/2 thru 5 tons
  • Environmentally Sound R−410A systems
  • WAHL models have aluminum tube, aluminum fin evaporator coil
  • WAHM models have plain copper tubes and aluminum fin coil
  • WAHT models have tin−coated copper tubes and aluminum fin coil. These coils are built with special hairpins which are tin−coated to resist both general pitting corrosion and excessive Formicary Corrosion (indoor corrosion, an industry phenomenon).
  • Multiposition installation − upflow or horizontal left standard.
    − Horizontal right with minor modification and required Horizontal Gasket Kit.
    − Field convertible to downflow with required Horizontal Gasket Kit and available accessory kit.
  • TXV metering device factory installed
  • Sweat connections
  • Primary and secondary drain fittings with brass inserts
  • 5 amp automotive type fuse multiple electrical entry locations
  • Time delay relay (TDR)
  • Field installed heater packages from 5 kW − 30 kW available separately
  • HUD approved for manufactured housing
  • 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 (25mm) thick insulation with R value of 4.2
  • High efficiency ECM, 3−speed motor
  • No Heat Kit factory installed
  • Factory installed washable permanent filter


  • 10-year parts limited warranty (including compressor and coil) with timely registration
  • 5-year parts limited warranty (including compressor and coil) if not registered within 90 days of original installation
  • For Owner-Occupied Residential Applications Only. *

* See warranty certificate for details and restrictions

Title Type Size
Product Specification application/pdf 375 KB
Technical Specification application/pdf 2 MB
Installation Instructions application/pdf 268 KB
Warranty Certificate application/pdf 254 KB
Product Spec WAHL604A application/pdf 554 KB