New sales of the Classic controllers have been discontinued due to the supply chain issues. We will continue to support customers with these controllers. Please see details for the ClimateBoss, our current controller that is an upgrade from (and is backwards compatible to) the GHK.

Replace greenhouse thermostats with Bartlett Instrument's two zone environmental controller, designed to be a low cost solution to maintaining greenhouse temperatures automatically. This controller is feature packed; easy to use and install; provides energy cost savings; reduces man-hours spent monitoring greenhouse environments; and can be used to collect statistics for graphical tracking. The features include control of 2 heat steps, 2 HAF, and 4 cool steps; a timer output for irrigation, misting or lights; DIF, DAY, and NITE settings; and an alarm output.

• Features

• *Programmable for 1 or 2 zones
  *2 thermistors, each with 25' of wire, included
  *DIF, DAY, and NITE settings for each zone
  *4 COOL and 2 HAF relay outputs source 24 VAC
  *2 HEAT outputs are open/closed contacts or source 24 VAC
  *Automatic or manual settings for each HEAT or COOL output
  *1 TIMER output for irrigation or lights
  *ALARM output (High Temperature, Low Temperature, Power Loss)
  *Vent Stage for dehumidification
  *Programmable delay for HEAT-COOL (COOL-HEAT) transitions
  *Statistics - min and max temperature, 7 days of averages for DIF, DAY, NITE, and 24hr.
  *Override of temperature settings for temporary adjustment
  *24 hour clock and memory with battery back-up
  *Remote control and programming with C.I.S. (Computer Interface Software)
  *Curtain/Vent Control

• Specifications

• Bartlett Item ID	AGHKC12X2T
  Controller Dimensions:	7.17x7.09x3.54"
  Output Voltage:	24 VAC

• Documentation

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• Videos

• No videos available to show for this kiln. Please refer to our YouTube channel to see all troubleshooting videos.