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Thermal Transfer Products B701B4T Heat Exchanger 3.73 SQ FT

$ 1,004.00

The Thermal Transfer Products B701B4T Heat Exchanger 3.73 SQ FT of cooling surface is compact 3.656″ x 13.64″L offering 1.0″ npt female ports shell side and 1.0″npt female tube side one pass through. Offering 2.5-10.0 gpm flow capacity, maximum operating pressure 250 PSI shell side, 150 PSI tube side, with a maximum operating temperature 350°F. Weight 23 lbs.


The API Thermal Transfer Products B701B4T Heat Exchanger 3.73 SQ FT is very versatile in its ability to accommodate multiple application requirements. The B series shell & tube unit features tube options with greater surface area and multiple baffle spacing options to optimize heat transfer and pressure drop. The B series is a non-ferrous design. Brass construction makes it ideal for water to water, including sea water cooling applications. Competitively priced, the non-ferrous SB-Steel shell version is the same as the B series, but is not recommended for water to water or sea water applications.

B-SB Series Specifications Sheet


B Series Product Line Features

  • Young Touchstone thermal interchange
  • American Industrial thermal interchange
  • Competitive prices
  • 1/4″ or 3/8″ tubes available
  • Water to water applications
  • Sea water applications
  • NPT, SAE O-Ring, SAE flange, or BSPP shell side connections available
  • End bonnets removable for servicing
  • Mounting feet included (may be rotated in 90° increments)


  • Tubes – 1/4 inch Copper
  • Hubs & Tube sheets – Brass
  • Shell – Brass
  • Baffles – Brass
  • End Bonnets – Cast iron
  • Mounting Brackets – Steel
  • Gaskets – Nitrile rubber/cellulose fiber
  • Nameplate – Aluminum foil


  • Maximum Operating Pressure – Shell Side 250 PSI
  • Maximum Operating Pressure – Tube Side 150 PSI
  • Maximum Operating Temperature 350°F

Product Option

  • 90/10 copper nickel cooling tubes for sea water service
  • Bronze end bonnets for sea water service
  • Zinc anode option can be used with additional plumbing for sea water service

Customer Focused and Driven

  • All catalog product is available with short lead-times
  • Expert application engineers are available to select and size the right product for your application
  • Custom designs are available

Additional information

Weight 23 lbs
Dimensions 13.57 × 5.25 × 6.25 in
Manufacturer Part Number

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