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Ranco Digital Temperature Controller - Two-Stage

3.54 LBS
Calculated at checkout
This product is available for pre-order only

Product Description

Ranco Digital Temperature Controller - Two-Stage

Control the heating and cooling of your fermenter with this Ranco two-stage temperature controller.  The digital controller has two relays; each relay is wired to a different AC outlet.  Plug your Cool Zone’s pump into one outlet, and your Cool Zone’s heater into the other outlet.  The Ranco Digital Temperature Controller will monitor the temperature of the beer and control the appropriate circuit to either heat or cool the fermenter.


  • Temperature Setpoint Range:  -30° to 220°F
  • Differential range: 1° to 30°F
  • Input Voltage: 120VAC, 208, 240VAC
  • Pilot duty: 125VA at 120/208/240VAC
  • Sensor:  Thermistor, 2" long x 1/4"dia with 8' cable (included)
  • Control Ambient Temperatures
    • Operating:  -20° to 140°
    • Storage: -40° to 176°
  • Ambient humidity:  0 to 95% RH, non-condensing
  • Enclosure:  NEMA 1
  • Dimensions: 6.52" high x 2.7" wide x 2.48" deep
  • Agency Approvals: UL listed, file E94419, Guide XAPX, CSA certified, file LR68340, class 4813 02

Relay Output Ratings - NO (NC)



Full load amps

9.8 (5.8) A

4.0 (2.9 A)

Locked rotor amps

58.8 (34.8) A

29.4(17.4) A

Resistive amps

9.6 (5.8) A

4.9 (2.9) A


1/2 (1/4) HP

1/2 (1/4) HP

 Please note, the resolution of the Ranco Controllers is only 1.0 degree.  Minimum control variation is +/- 1.0 degree.  For tighter control, see the Auber Instruments controller with 0.1 degree Display/Control resolution.


Another option for you:


Ranco Digital Temperature Controller - Single-stage




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