Welcome! We have been making differential temperature controllers for D.I.Y. solar hot water and solar air heating for 10 years. Our differential controllers are reliable, easy to use, and full featured. All of our differential controllers are fully programmable and we service what we sell here in the USA. Thanks for visiting!
SimpleDTC Differential Temperature Controller with 2 Temp Sensors: $54
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- 2 Temperature Sensor Inputs (10k NTC Type) (-30F - 257F) + Onboard Local Temp Sensor
- 2 Dry Contact Relay Outputs (2 pin, Form A) (0-30VDC / 0-120 VAC, 5 amps load)
- Fully programmable Differential Temperature Control (Heating or Cooling), Thermostat (Heating or Cooling) on each of 2 relay outputs
- Simple LED display and Touch Buttons for easy configuration and status
- Wide Range Universal Power Input: 12-32 VDC or 12-24 VAC Transient Protected
- Controller Kit comes with 2 Ring Lug, weatherproof NTC 10K temperature sensors
- DIN Rail mounting option available
AE2 Differential Temperature Controller Kit & 2 Temp Sensors: $69 - Out of Stock
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- 4 Temperature Sensor Inputs (10k NTC Type) (-30F - 257F)
- 2 Dry Contact Relay Outputs (3 pin, Form C) (30VDC / 120 VAC, 8 amps)
- Supports Differential Temperature Control (Heat or Cool), Thermostat (Heat or Cool), RH Control, Time of Day Timer and Cyclic Timer Control on each of 2 relay outputs
- Optional Relative Humidity Sensor Option required for Humidistat control modes
- Large Backlit LCD display and Touch Buttons for easy configuration and status
- Real Time Clock
- 12VDC Powering, diode protected, DIN Rail mount
AE4 Differential Temperature Controller w/DIN Rail & 2 Temp Sensors: $109 - Out of Stock
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