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Heat Controller Century Hydronic Air Handlers

1½ to 5 Tons
R410A Refrigerant
Multi-Position—Vertical or Horizontal left or right
5 Year Limited Parts Warranty


  • Low voltage terminal strip and 24 volt transformer included for easy wiring
  • Blower time delay of 30 to 45 seconds preheats the hydronic coil
  • Freeze protection for both heat and cool modes provides the ultimate in protection for the entire system
  • Slide-out blower assembly makes service and maintenance fast and easy
  • Multi-position design can be installed vertically or horizontally left or right; can be installed with zero clearance to combustible materials

Cabinet Features

  • Cabinet is galvanized steel for maximum corrosion protection; front and top are painted steel
  • Interlocking panels eliminate air leakage
  • Cabinet is lined with 1″ foil-faced insulation

Evaporator Coil

  • Aluminum fin/copper tube, TXV for R-410A included
  • Primary and secondary drains
  • Dual drain pans for multi-position

Hydronic Coil

  • Freeze protection switch included
  • Aluminum fin/copper tube construction
  • Manual air vent and drain valves
  • 3/4″ sweat water connections

Electric Supply

  • 115V, 60 Hz system, 24 volt control circuit
  • Low voltage terminal strip
  • High voltage supply at top of cabinet
  • Post-purge timer for cooling

For complete warranty information and specifications, please call or email us at (603) 370-0100 or or visit

AHG Air Handler Specs