Electronic Temperature Controls

UL Approved Electronic Controls Offer Superior Temperature Precision


Selco's electronic temperature control product line offers high-end electronic features to provide extremely precise sensing and control of heating, cooling and humidity. Typical applications include cooling and heating controls for cooking equipment, refrigerators, freezers, dehumidifiers and HVAC equipment. Products are available in Standard Enclosed Controllers, Open Board Controllers and Custom Controllers

Click here for the Electronic Controls Selection Guide

Standard Enclosed Controllers

In front of your appliance.
Standard enclosure size for the cooling and cooking industry. Ready to be installed new or as replacement.


3699A Series Controller
Flexible ON/OFF, PID controller for complex applications.
  • 115/230/12/24VAC Power Supply, two 10A outputs, 2 inputs... more
  • UL Approved - E230832

3699B Series Controller
Flexible ON/OFF, Cold/Heat standard controller.
  • 115/230VAC Power Supply, one 12A and two 5A outputs, 3 inputs... more
  • UL Approved - E230832

Open Board Controllers

Cost effective, compact footprint for easy placement. Multiple inputs and outputs fulfill requirements for many applications.


2577 Teach Me Timer
Programable timer for beverage dispenser and cooking equipment.
  • 115VAC Power supply, 10A output, switch input, buzzer... more
  • UL Approved - E70766

2831 Super Teach Me Timer
Programable timer for beverage dispenser and cooking equipment.
  • 115/230VAC Power Supply, 10A and 3A outputs, switch input... more
  • UL Approved - E70766

2698 Series ON/OFF Controller
Single output Cold/Hot Controller.
  • 115/230VAC Power Supply, 30A Output, 2 thermistor inputs... more
  • UL Approved - E230832

2699A Series ON/OFF Controller
Three output Cold/Hot controller.
  • 115/230VAC Power Supply, 30A and two 10A outputs... more
  • UL Approved - E230832

2901A Timer & Temperature Controller
Timer and temperature control with support for thermocouples.
  • 115/230VAC Power Supply, 12VDC output for SSR, 4-digit display... more
  • UL Approved - E230832

Custom Controllers

Designed to meet the cost, size and features that you require. Follow all UL/CE standards.


  • Experience with different types of controls, inputs, outputs, user interfaces and comunications protocols.
  • Extensive software libraries of all our existing applications.
  • Support for UL/CE approval for your control.