Item #870826

Isotherm Plus 3701 Holding Plate - U150X050A17161AA

51 Review

Only compatible with Model C extension tube sets. Model C tube set couplings have blue plastic caps, and were not produced prior to February 2023.

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Isotherm Plus 3701 Holding Plate - U150X050A17161AA

Item # 870826


The Isotherm Plus 3701 Holding Plate is an air cooled refrigeration unit that uses a medium holding plate. It uses DC power but can use an optional AC / DC voltage converter for complete power supply compatibility.


  • Automatic Start Up (ASU) air-cooled unit
  • Intelligent Temperature Control (ITC)
  • The ITC control module allows the user to set the temperature they want. With a simple push of the up or down keys, the digital temperature setting in Celsius or Fahrenheit will read out on the display panel
  • Air blown through condenser by fan removes heat
  • Suitable for use with a refrigerator or freezer
  • Easy installation with "click-on" system
  • The Isotherm warranty is 2 years from the date of purchase on all components and a 5 year limited warranty on the compressor


  • Compressor Type: BD50F
  • Power: 12 / 24 V Danfoss / Secop compressor
  • Dimensions Compressor: 12" H x 6" W x 6" D
  • Dimensions Holding Plate: 14" H x 11" W x 2.4" D
  • Max. Box Volume: Refrigerator, 5.3 cu. ft.; freezer, 1.8 cu. ft

In the Box:

  • SGE00012AA Click-On Mounting Bracket for Compressor
  • SED00036DA ITC Digital Display Kit - Intelligent Temperature Control
  • SBC00028XA Condensing unit BD50F with elect. unit, filter, "X" couplings, fan
  • SBH00052XA Holding Plate (MED) 3L, with connection pipe and "X" couplings for 3701/3751/4201

Note: Optional AC / DC voltage converter available for complete power supply compatibility (12 / 24V, 115 / 230V and 50 / 60 Hz), (sold separately Model Number: Z999-561)

Part Numbers for Isotherm Plus 3701 Holding Plate - U150X050A17161AA

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Rated 5 out of 5 by from EXCELLENT unit, FANTASTIC service I had the similar unit on my old boat and it worked great for about 20 years till I sold the boat. I bought this unit and it worked well for over a year until it stopped. It took several phone calls and some time but the service dept was great. Even though the error code was wrong it only took a very short time waiting till they diagnosed the problem and repaired it.
Date published: 2023-07-04
  • y_2023, m_10, d_2, h_4
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