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  • Hydrofarm Active Air Duct Fan Speed Adjuster

    Works with all fans we offer and most others on the market!
    • Variable speed controller
    • Handles up to 15 Amps
    • Comes with 6 ft grounded power cord
    • 1 year warranty

    Retail: $30.95

    Special Price $28.75

  • Relative Humidity/Temperature Controller

    • Precise temperature and RH sensors.
    • Day and night setpoints.
    • Can cool, heat, humidify, dehumidify.

    Retail: $480.23

    Special Price $311.66

  • Sentinel Fuzzy Logic Based CO2 Controller

    Fuzzy Logic based CO2 controller with removeable remote probe, weather-resistant main controller, Rohs construction, plant friendly green LED's


    Retail: $659.95

    Special Price $461.96

  • DuctStat Plug-In Thermostat

    The DuctStat Temperature Sensitive SwitchTM will turn a device on or off due to temperature rise or temperature fall from the user adjustable set point.

    It controls various devices including fans, alarms, heat lamps, lights, and has an adjustable temperature range: 45°F (4°C) to 110°F (43°C). For indoor use only.






    Retail: $37.95

    Special Price $34.00

  • Dial-A-Temp

    Specially designed for controlling fan blowers and incandescent lamps. Save cash and energy too; simply turn on Dial-A-Temp to desired speed for comfortable heating and start saving. Exclusive features: easy installation with dual plug-in and ground socket. UL recognized components, factory tested. Modern design with rugged fire retardant enclosure.


    Retail: $32.95

    Special Price $24.64

  • 120V - 15A OFF Switcher

    • 15A 120V switches OFF when sense cord is powered
    • Used to inhibit Co2, dehumidifyers and/or other equipment while venting is in progress

    Retail: $89.99

    Special Price $65.49

  • CO2/RH/Temperature Smart Controller

    • Seamless intergrationof Co2 enrichment and intake/exhaust ventilation.
    • Co2, relative humidity and temperature precise electronic sensors.
    • 24 hour datalogging of sensor values.
    • Alarm system hook-up (with iMS-100).

    Retail: $718.25

    Special Price $481.51

  • CO2 Smart Controller with High-Temp shut-off

    • Controller with high temperature shut-off function 120v 15 amps
    • Easy to set up and install an economical solution to automate CO2 functions
    • Compatible with any 120v CO2 regulators and generators
    • Control a CO2 bottle or generator
    • Shut off CO2 enrichment when temperature is too high
    • Can be used for CO2 extraction
    • Shut off ventilation when temperature is too low
    • Warranty: 1 year

    Retail: $579.95

    Special Price $353.90

  • Day/Night Controller without display

    • Temperature controller without display.
    • Can be set to heat of cool with day and night setpoints.

    Retail: $104.64

    Special Price $72.78

  • High Temperature Watchdog with Adjustable Delay

    - Protects plants by turning off lighting or CO2 generators when temperature is too
    - Smooth rotating knobs with continuous adjustment
    - Restart delay adjustable from 0 to 20 minutes to protect lighting equipment
    - High temperature limit adjustable from 70 to 120 °F (21 to 49°C)
    - Factory calibrated set knobs for accurate settings
    - Precise external temperature sensor on 20 inch cable to place at plants top level:
    ±1.8°F (±1°C)
    - 120 V, maximum outlet current 15 A, 2 HP
    - CSA/UL compliant


    Retail: $99.99

    Special Price $72.64

  • Can Filter 6 in Thermo HO Fan

    The Can Filters Group Inc. has added thermostatically controlled fans in sizes 4 HO and 6 HO, 240 volt 60 hz. The new thermostatic fan is controlled by setting the dial to the desired temperature. The fan has an integrated sensor inside, sensing the temperature of the airflow every 1.5 minutes. When the airflow temperature is warmer than the dial setting, the fan will automatically speed up. If the air flow is cooler then the set point, the fan will automatically slow down.
    This Thermostatic fan will maintain air flow at the low speed until higher speed is required.
    No remote sensors no problem!


    Retail: $322.01

    Special Price $220.32

  • ActiveAir Indoor-Outdoor Thermometer w/ Hygrometer

    The large display shows current temperature and humidity levels, and includes a remote probe for second zone temperature. Records high and low points for both temperature and humidity.

    Retail: $19.95

    Special Price $18.95

  • ActiveAir Hygro-Thermometer

    This large number LCD display is visible from a distance. Very accurate and hangs or mounts on a wall surface.


    Retail: $21.95

    Special Price $17.56

  • Temperature/Humidity Gauge

    Large dial keeps you informed about your growing environment's temperature and humidity. Easily visible across the room.


    Retail: $24.95

    Special Price $23.70

  • Light System Cooling Kit

    • Fits Powerhouse (all)
    • Fits Daystar (DAUN)
    • Fits Radiant - all vents
    • Fits Xtrasun (XT1AC)
    • Sunburst

    Includes: 2 LG50023 & 1 LG50027


    Retail: $21.95

    Special Price $17.56

  • Precise Cycle Controller without display

    A precision cycle timer that allows lighting duration from 8 to 18 hours and darkness duration from 6 to 16 hours. Allows to set a complete day-night cycle from as short as 14 hours or as long as 34 hours.

    • Cycle timer with photocell
    • Day and night operation or day only
    • On cycles from 1/2 minute to 30 minutes
    • Off cycles from 1 minute to 12 hours

    Retail: $100.26

    Special Price $72.31

  • Titan Controls Saturn 6 Digital Environmental Controller w/ CO2 PPM Control

    The Saturn 6 give you the control of your temperature (day and night) humidity and CO2 PPM; levels with digital accuracy. It comes with a 15 foot remote sensor which also features a photocell. The photocell ensures daytime only CO2 enrichment and the ability to control a night only device. The LCD display and push buttons allow you to easily change the settings. It has min/max data logging capabilities. Plastic enclosure protects internal components from dust rust and moisture. 15 Amps/120 Volts/60 Hz. 3 year warranty.

    Retail: $617.95

    Special Price $424.71

  • Autopilot Analog CO2 Controller

    The APCECO offers indoor gardeners an economical and simple method of monitoring and controlling CO2 within the grow area. It utilizes a highly visible and intuitive LED indicator display to let you know generalized CO2 levels. The LED indicator will blink to show the PPM level in increments of 100. The 15' remote sensor allows versatile placement within the grow area.

    Retail: $308.95

    Special Price $205.97

  • Titan Controls Saturn 5 Digital Environmental Controller w/ CO2 Timer

    The Saturn 5 is a digitally based environmental controller featuring a short cycle timer for CO2 enrichment. It uses a 15 foot remote sensor to operate your temperature humidity CO2 system and night time gear. This controller gives you the ability to set day and night temperature levels. It has a LCD display and color coded push buttons for easy programming. This device also offers min/max data-logging capabilities for temperature and humidity. Plastic enclosure protects internal components from dust rust and moisture. 15 Amps/120 Volts/60 Hz. 3 year warranty.

    Retail: $236.95

    Special Price $164.21

  • Titan Controls Hercules 2 - 50 Amp Controller

    The Hercules 2 is a trigger operated high amperage controller. This device allows you to operate up to 50 Amps of lights heating or air conditioning by wiring 120 or 240 Volt power through the Power Input and connecting your lights heater or A/C to the Power Output. The appliances can then be activated by a trigger cord set via an environmental controller timer or other such device. This product incorporates a Siemens heavy duty contactor relay! Featuring a 50 Amp Siemens contactor relay. Durable 20 gauge powder coated chassis. Use with Titan Controls environmental controllers and timers! Can be wired for 120 or 240 Volt applications. 50 Amps/120 or 240 Volt/60 Hz. 3 year warranty.

    Retail: $199.95

    Special Price $140.35

  • Titan Controls Hades 2 Digital Recycle and Light Timer w/ High Temp Shut-Off

    The Hades 2 controls up to two light banks via your lighting controller trigger cords has a high temperature shut-off function to turn off your grow lights and also a hot start protection function to allow your lights to cool before re-striking. The recycle timer can be set to run in day only night only or 24 hour mode. This controller has a 3 remote sensor to monitor temperature levels. 15 Amps/120 Volts/60 Hz. 3 year warranty.

    Retail: $196.95

    Special Price $135.41

  • Titan Controls Saturn 4 Digital Enviromental Controller

    The Saturn 4 is a basic environmental controller. Its digitally precise with easy to use knobs to dial in your desired temperature and humidity settings. Will operate a CO2 controller fan dehumidifier and a night only device to keep your garden flourishing. One button allows you to change between three different operating modes. Comes with a 15 remote sensor and a photocell for nighttime control. Plastic enclosure protects internal components from dust rust and moisture. 15 Amps/120 Volts/60 Hz. 3 year warranty.

    Retail: $184.95

    Special Price $133.11

  • Plug Outlet - Titan Controls Saturn 3 Auxillary Output - 2 Units

    Auxiliary Outputs for use with Titan Controls Saturn 3. Heating and High Temperature Light control options. Simply attach the Auxiliary Outputs to the Saturn 3 with the included auxiliary cord connect your component to the output and let the Saturn 3 do the work! ;;

    Retail: $116.95

    Special Price $80.41

  • Titan Controls Zephyr 4

    Easy to use - plug fan into control receptacle then plug control into 120 volt power supply. Set thermostat to a temperature you want the fan to come on at and thats it! One year warranty.

    Retail: $79.95

    Special Price $56.52

  • Controller - Titan Controls Saturn 3 - Digital Temperature Humidity & CO2 Controller

    Temperature control (Day & Night) from 55°F to 95°F. Humidity control (Day & Night) from 20% to 80%. Built-in CO2 sensor and CO2 calibration features. Auxiliary heating and cooling options. Plastic enclosure protects internal components from dust, rust and moisture. ETL listed for use in commercial application. 12 Amps maximum/120 Volts/60 Hz.

    Retail: $674.95

    Special Price $469.35

  • Grozone Control TP1 Day/Night Tempstat

    Controls cooling or heating equipment according to a daytime or nighttime setpoint. 6 foot cord with temperature sensor precise to 2F/1C. Can power 120Vac equipment up to 15 amp. Typical control differential +- 2F/+- 1C. 3 year warranty.

    Retail: $89.95

    Special Price $63.86

  • Titan Controls - Spartan Series Cooling Controller

    The Cooling Thermostat features: Day & night temperature settings, adjustable differential from +/- 2°F to +/- 6°F, LED output indicator light and an accurate external temperature probe. For use with exhaust fans. Housed in a rust, dust and water resistant plastic chassis, this controller will function in the harshest environments. Ratings: 12 Amp/120 Volt/60 Hz.

    Retail: $74.95

    Special Price $67.43

  • Titan Controls - Spartan Series Fan Speed Controller

    The Fan Speed Controller features: Day & night temperature settings from 50°F to 100°F, variable fan idle mode settings, LED output indicator light and an accurate external temperature probe. For use with carbon filters and air filter systems. Housed in a rust, dust and water resistant plastic chassis, this controller will function in the roughest environments. Ratings: 5 Amp/120 Volt/60 Hz.

    Retail: $89.95

    Special Price $80.93

  • Titan Controls Hyperion 1 Wireless Environmental Controller

    Absolute total complete control of your grow room from up to 150 feet away without wires, the Hyperion 1 Wireless/Environmental/Lighting controller is the solution! Monitor & control the CO2, temperature and humidity during the day & night periods. Then add a fully functional lighting controller (via trigger cordsets) that includes a high temp shut-off, 15 min cool down with pre-set and custom lighting schedules. It even tells you when to change your light bulb. 15 Amps/120 Volts/ 60 Hz.

    Retail: $899.95

    Special Price $633.55

  • Grozone Control SCC1 Temperature, Humidity, & CO2 Controller - Simple One Series

    An easy-to-use alternate solution to HTC Climate Controller: just connect your fan, your dehumidifier or humidifier, your CO2 generator, set the knobs and you're ready! Two built-in LVC1 (Low Voltage Relays) to control high power HVAC Systems (A/C, Dehumidifyier...). Optional output boxes for heating (OB2) and fan speed control (OB2-V) Sold Separately. Also includes these smart features: Empty CO2 tank detection, Automatic competing equipment detection and high temp and low temp limits. 3 year warranty.

    Retail: $674.95

    Special Price $469.39