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SpacePak Small Duct Central Air Heating & Cooling

Super Efficient Forced Air Heating & Cooling


  • High Efficiency EC Motor/Blower Technology
  • Easy Field Adjustable Motor Staging
  • 230V Standard Configuration Optional 115V Conversion
  • Heat Pump Compatible
  • Integrated Control Board
  • 6-Row Copper/Aluminum Coil
  • Sweat-Type Connections
  • Insulated Grey Cabinet
  • Float Switch
  • Condensate Trap
  • Mold Resistant Primary Drain Pan
  • Anti-Vibration Foam Strips
  • Mode Specific Adjustable Speed Control

Documents: SpacePak Small Duct Brochure.pdf | SpacePak Small Duct Submittal Data.pdf

Works well in conjunction with a SpacePak Solstice Inverter Heat Pump and RHT Prefabricated Dominator Pump Distribution Panel

Free Freight to a commercial dock in the Contiguous US for SpacePak Small Duct Systems.
Actual freight charges apply for single unit purchases. Due to oversize shipping and fuel surcharges, our shipping calculations may need to be adjusted after you order.
Call 866-361-4782 if you require a more accurate shipping quote.

↓ Space Pak Blower Units ↓

Fan Coil/Air Handler, Horizontal, Chilled WAter, 3 to 3-1/2 Tons

Part No: 45WCS3642JH0MA

$2938.95 each
↓ Space Pak Small Duct Accessories ↓

Installation Kit, for 2 outlets (includes attenuators)

Part No: 45AC-IKLT-2

$129.36 each

Plenum Take-off Kit, for 2 Take-offs

Part No: 45AC-TKMR-2

$39.06 each

Installation Kit, for 5 outlets (includes attenuators)

Part No: 45AC-IKLT-5

$314.69 each

Plenum Take-off Kit, for 5 take-offs

Part No: 45AC-TKMR-5

$97.65 each

R8 Supply Tubing, 2" I.D. (75 ft. per box)

Part No: 45AC-ST8-75

$453.60 each

Straight Duct (6ft lengths)

Part No: 45AC-SM9-6

$386.51 each


Part No: 45AC-SM9-C

$119.35 each

90 degree Plenum Elbow

Part No: 45AC-SM9-EL90

$62.93 each

Plenum Tee

Part No: 45AC-SM9-T

$118.27 each

Plenum End Caps

Part No: 45AC-SM9-EC

$47.74 each

Plenum Adaptor (J Series)

Part No: 45AC-SM9D-PA

$127.05 each

Return Air Box (3 & 3-1/2 ton)

Part No: 45AC-RBF-3

$245.70 each

Return Air Duct (3 & 3-1/2 ton) 10ft length

Part No: 44BM-6809-10

$231.53 each

BasePak Secondary Drain Pan - for use with ESP/WCS3642G/J

Part No: 45ACS-BASE-3

$151.90 each

ZonePak PRO for Metal Round Duct/SmartSeal Duct (2-Zone System)

Part No: 45AC-ZPMR-2PRO

$919.49 each


Toll Free: (866) 361-4782

Fax: 206-274-1501

17420 Vashon Hwy SW
PO Box 2270
Vashon, WA 98070

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