Fluid Coolers

Capital Coil fluid coolers have been specifically designed for commercial and industrial duty applications and to meet your needs.

Fluid Cooler

When outdoor temperatures get cool enough, the FC series is a great way to provide free cooling. The FC Series can be integrated with pump packages via a single point power connection as well as a single point water connection. Our ability to specifically engineer equipment for a wide range of applications combined with our expertise in manufacturing custom equipment means Capital Coil can provide limitless solutions for your needs.

Standard Features

  • Direct drive propeller fans
  • Steel or aluminum blades depending on the model size
  • Staggered 5/8” copper tubes expanded into and permanently bonded with aluminum fins
  • Factory wired from fan motors to junction box
  • Cabinets constructed of heavy-gauge G-90 galvanized steel
  • Fully assembled unit
  • ETL unit certification

Available Options

  • 1/2” copper tubes in coil
  • Fan cycle control
  • Three-way valve control for exact temperature control
  • Protective grills
  • Fused fan motor contactors
  • Completely enclosed fan motor for corrosive or hazardous-duty applications
  • Fan circuit breaker
  • Hydronic accessory packages including tanks, valves, and heat exchangers
  • Corrosion resistant fin and coil combinations: copper fins, acrylic fins, phenolic coated fins, or Electrofin coatings
  • Disconnect switch (fused or non-fused for single point connections)
  • Mounted control circuit transformer
  • Phase failure/under voltage protection
  • Microprocessor (PLC) controls that interface with common building control systems
  • Painted cabinet (enamel)
  • Acoustic/low-sound packages
  • Pump packages (factory mounted, piped, and wired)

Capacity Ranges

  • 5 to 100 tons depending on conditions of service
  • Larger capacity available; contact factory for details

Unique Capabilities

  • Higher capacity available up to 200 tons; contact factory for details.
  • Stainless steel cabinet construction for corrosive environments
  • Industrial coil options for extremely corrosive or high-temperature process environments
  • Variable frequency drive (VFD) fan speed control based on fluid temperature
  • Acoustical performance packages custom selected for your requirements
  • Integral pump packages
  • Integral storage tanks
  • Integral glycol feed station
  • Circuit breakers in lieu of fuses
  • Custom equipment sizes for unique space requirements


Shipping time on fluid coolers is 4 weeks.


Tube MaterialSizeThickness
Aluminum 5/8" .049" .065"
Brass 5/8" .049" .065"
Carbon Steel 5/8" .049" .065"
Copper 11/2"

35/8" (non-freeze)
51" (non-freeze)
1.017" .025"
2.020" .025" .035" .049" .065"
3.017" .025"

4.017" .025"
5.017" .025"
Cupro Nickel 15/8"
1.035" .049" .065"
2.035" .049" .065"
Stainless Steel 15/8"
1.035" .049" .065"
2.049" .065" .109"


Fin MaterialThickness
Aluminum .006" .008" .010" .016" .030"
Carbon Steel .012"
Copper .006" .008" .010"
Cupro Nickel (90/10) .010"
Stainless Steel (304/316) .010"


Casing MaterialThickness                  
Aluminum 8 GA.
Galvanized Steel 16 GA. 14 GA.
Stainless Steel 12 GA. 10GA.


Connection MaterialConnection Type                
Brass Flanged
Copper M.P.T.
Cupro Nickel Sweat
Steel F.P.T.

PRODUCT Downloads

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Fluid Cooler IOM.pdfpdf0 bytes

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