Sentinel EVC-1 Environmental Controller

Special Order Item
A special order item is not typically held in inventory at our distribution centers so lead time may vary. Special order items are non returnable unless the item is defective within warranty. Please contact our customer service team for more info at +1-855-289-1441 or [email protected]

These items have been made 'special order' due to long lead times. Please call to order or visit our category of Controllers & Timers for alternatives.


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Frequently bought together

Additional Information

Name Sentinel EVC-1 Environmental Controller
Brand Sentinel
SKU 702520
UPC 6944845010012
Warranty 3 Year
Voltage 120v
Amps 15 amps
ETL Listed Yes
MSRP $179.95
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The EVC-1 provides extreme flexibility in reliable solid-state environmental controller. Selectable CO2, temperature and humidity modes allow the user to control temperature and humidity separately or together. Built-in photocell activates C02 device during the day. Night device outlet can control an exhaust fan/sulfur burner, etc.

  • 15 amps @ 120 VAC
  • 32 to 120 degrees F
  • 0-99% rH
  • +/- 2’ F
  • +/- 7% rH

Comes With:
  • Familiar "analog" controller.
  • Built-in photocell controls CO2.
  • Heavy gauge #14 AWG cables and wire.
  • Super-duty 30-amp relays for long life.
  • Power switch and re-settable 15-amp circuit breaker provides over-current protection.

  • The EVC-1 is a very flexible and useful controller.
  • It combines the ability to control temperature, humidity, a CO2 device and a Night device all in one neat package.
  • The user can select one of 3 different modes and feel safe using it with a re-settable table circuit breaker and heavy-duty components and wiring.
  • Simplest to use, easy to own.
  • 3 year warranty.

How to use:
  • The unit comes with a metal bracket that is first attached to a wall. Secure the bracket to the wall with 2 screws. Then use the 2 thumb screws to secure the enclosure to the bracket.
  • The device(s) that will be controlled by the EVC-1 must be 15-amp or less COMBINED load. There are FOUR outlets (receptacles) on the EVC-1 One of them is used to control the temperature devices like AV or fans. Another receptacle is to connect your humidity device like a humidifier or dehumidifier. A CO2 receptacle is provided that will activate a CO2 device during the day, with or without coordination with the temperature control device. The 4th receptacles called "Night Device" activates a device like dehumidifiers, exhaust fans etc. that is only to be operated at Nighttime. It has a built-in photocell that senses whether it is Day or Night.
  • The unit requires a 15-amp power supply. Plug the power cable into a standard wall outlet. The built-in circuit breaker will protect the unit from overloads. Select the mode of operation you want the unit to ,./function with, set your temperature and humidity level and then... sit back and let the EVC-1 do the work for you.

  • For indoor growing, cooling devices such as ventilation fans or air-conditioners connect to the temperature device.
  • Dehumidifier or a humidifier can be connected to the humidity device receptacle.
  • Heaters for cooler climate greenhouses can be connected to the night device receptacle
  • Connect your compressed CO2 solenoid / regulator assembly OR a CO2 generator to the CO2 device receptacle.

Humidity Accuracy +/- 7%rH
Temperature Mode Cooling
Humidity Mode Dehumidify or Humidify
Min/Max Operating Temperature 32' to 120' F
Min/Max Operating Humididity 0-99% RH
Temp Sensor Length 3 ft
Dimensions 8" x 6.5" x 3.1"

EVC-1 Instruction Manual PDF