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  • TMP-1 Cooling & Heating Controller, 50-115F, 15A @ 120V

    The TMP-1 offers precision temperature-based control of cooling and heating equipment. This controller is easy to use and versatile too, as it can be utilized with exhaust fans, A/C units & heaters. Change from heating to cooling with just a flip of the switch. The simplicity of this thermostat and its small design make it a useful addition to any grow room. Includes 3' remote sensor with a control range of 50°F–115°F. 15 Amps maximum @ 120VAC. Now backed by Hydrofarm Upgraded circuit boards Improved performance More precise operation
    SKU:
    CATMP1

    Retail: $69.95

    Special Price $62.96

  • Sentinel UTC-1 Universal Temp Controller

    The UTC-1 Universal Temperature Controller is accurate to within 1° F and it displays the actual temperature of the area on a large LED display. It has separate day and night temp settings and it even records the minimum and maximum temperature readings. Can control a cooling or heating device. 15A @ 120v
    Simple to use, 100% DIGITAL temperature controller. Photocell allows separate Day and night temperature settings. Record & recall minimum and maximum temperature levels. Features a Heating or Cooling mode with adjustable dead band and 16 ft. remote probe.

    SKU:
    SEUTC-1

    Retail: $144.95

    Special Price $102.06

  • 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.

    SKU:
    VTDAT

    Retail: $34.99

    Special Price $24.71

  • Sentinel Day Night Environmental Control Master Greenhouse Controller

    The CHHC-4 controls all of your growing area conditions accurately and reliably. First of all it has all of the C02 control features of the CHHC-1 and CPPM-1. It also has the ability to control 3 other devices a heating device and a humidity device. Records the min and max temperature humidity and C02 levels. Unlike some C02 controllers the CHHC-4 is able to be calibrated by the user with the self calibration feature.NEW Green LED lights make this unit very plant friendly NEW Removable combination remote temp humidity light level & CO2 probe allows the CHHC-4 to be placed up to 16 feet awayNEW Protective caps to help prevent water from getting into the controller Monitors and controls CO2 with PPM accuracy Also controls 3 other devices a heating device a cooling device and a humidity device Separate day/night temp and humidity settingsRecords the min and maxi temp midity and CO2 levels Has 2 separate outputs to control cooling and heating Can increase or decrease the amount of humidity in the growing area Remote temp humidity CO2 and light level sensor ETL-US certified
    SKU:
    SECHHC-4

    Retail: $799.95

    Special Price $615.96

  • Relative Humidity/Temperature Controller

    • Precise temperature and RH sensors.
    • Day and night setpoints.
    • Can cool, heat, humidify, dehumidify.
    SKU:
    NBIGS110

    Retail: $439.99

    Special Price $327.20

  • FUEL ST12 Light Controller, 12 Outlet, 240V, with Single Trigger

    The FUEL ST12 represents the latest in large scale professional lighting control. It is among the best devices for operating up to 12 lights.

    SKU:
    APT0122

    Retail: $749.99

    Special Price $594.99

  • FUEL DX24 Light Controller, 24 Outlet, X-Plugs, 120/240V, with Dual Triggers

    The FUEL DX24 represents the latest in large scale lighting control. It is among the best devices for controlling up to 24 lights.

    SKU:
    APTX0240

    Retail: $1,282.99

    Special Price $1,019.99

  • ART-DNe Adjustable Recycling Timer

    The ART series of adjustable recycling timers control any application requiring a device to be turned ON and OFF at precise intervals. The ART-DNe Adjustable Recycling Timer has an ON time of 1 sec to 40 minutes and an OFF time of 1 minute to 8 hours. 15A @ 120V. Now backed by Hydrofarm Upgraded circuit boards Improved performance More precise operation
    SKU:
    CAART-DNE

    Retail: $89.95

    Special Price $80.96

  • Sentinel EVC-2 Environmental Controller

    The EVC-2 controls your Temperature & Humidity with DIGITAL accuracy. Digital temperature and humidity controller; customized for your needs. Each function has a clearly identified "pushbutton" and a large LCD display that makes it simple to use. Records minimum and maximum temperature and humidity levels. 16' remote probe assembly so the temperature and humidity can be measured at plant level. 15A @ 120v

    • Photocell allows day / night temperature & humidity settings and also provides daytime CO2 operation
    • Remote combination temperature & humidity probe allows the probe to be placed near slant canopy
    • Record & recall minimum and maximum temperature & humidity Two temperature modes, Heating & Cooling
    • Separate humidity control to add or remove humidity
    • Adjustable temperature dead band

    Sentinel has taken digital accuracy and combined it with ease of use. Its one-touch functions make using its products easy. Gone are complex sub menus that are confusing and time consuming to navigate. Many of its products will serve more than one function (such as heating or cooling control) making them extremely flexible and capable of being used in many situations. All Sentinel products were designed to maintain a very high degree of reliability while performing critical functions. In some cases Sentinel offers innovative designs that are so unique there really are no other products available for comparison.

    SKU:
    SEEVC-2

    Retail: $299.95

    Special Price $230.96

  • Sentinel EVC-1 Environmental Controller

    The EVC-1 provides extreme flexibility in a reliable solid-state environmental controller. Designed to maintain a specific temperature and humidity. The EVC-1 can also be set to either increase or decrease the humidity to a specific level. It can coordinate the use of supplemental CO2 with the temperature control function. 15A @ 120v. Selectable CO2, Temperature and Humidity modes allow the user to control temperature & humidity separately or together. Built in photocell activates CO2 device during the day. Night device outlet can control an exhaust fan / sulfur burner etc.

    Sentinel has taken digital accuracy and combined it with ease of use. Its one-touch functions make using its products easy. Gone are complex sub menus that are confusing and time consuming to navigate. Many of its products will serve more than one function (such as heating or cooling control) making them extremely flexible and capable of being used in many situations. All Sentinel products were designed to maintain a very high degree of reliability while performing critical functions. In some cases Sentinel offers innovative designs that are so unique there really are no other products available for comparison.

    SKU:
    SEEVC-1

    Retail: $199.95

    Special Price $153.96

  • Sentinel DRT-1 Digital Recycling Timer

    Designed to control pumps or other devices that must be activated on a repeating cycle. Replaces other single-function timers and offers a extremely wide range of time delays. It can be set in hours, minutes and seconds. 100% digital design makes it extremely precise. 15A @ 120v No complex menus, single function push buttons for ease of use. Photocell allows daytime, night time or 24-hour operation. Two receptacles control up to 15-amps of power. Memory backed up with lithium battery. Resettable circuit breaker built-in.

    Sentinel has taken digital accuracy and combined it with ease of use. Its one-touch functions make using its products easy. Gone are complex sub menus that are confusing and time consuming to navigate. Many of its products will serve more than one function (such as heating or cooling control) making them extremely flexible and capable of being used in many situations. All Sentinel products were designed to maintain a very high degree of reliability while performing critical functions. In some cases Sentinel offers innovative designs that are so unique there really are no other products available for comparison.

    SKU:
    SEDRT-1

    Retail: $124.95

    Special Price $97.46

  • 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
    SKU:
    ACSC
    $24.99
  • Active Air 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.
    SKU:
    HGIOHT

    Retail: $20.99

    Special Price $18.95

  • Active Air Hygro-Thermometer

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

    SKU:
    HGIOHTJ

    Retail: $22.99

    Special Price $17.93

  • Temperature/Humidity Gauge

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

    SKU:
    HGTHG

    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

    SKU:
    LGCKT2

    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
    SKU:
    NBIGS011

    Retail: $99.99

    Special Price $74.11

  • High Temperature Watchdog with Adjustable Delay

    Features
    - Protects plants by turning off lighting or CO2 generators when temperature is too
    high
    - 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

    SKU:
    NBIGS012

    Retail: $99.99

    Special Price $74.73

  • Day/Night Controller without display

    • Temperature controller without display.
    • Can be set to heat of cool with day and night setpoints.
    SKU:
    NBIGS021

    Retail: $99.99

    Special Price $74.98

  • 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
    SKU:
    NBIGS061

    Retail: $499.99

    Special Price $374.85

  • 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).
    SKU:
    NBIGS220

    Retail: $679.99

    Special Price $510.14

  • 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
    SKU:
    NBIGSILS120OFF

    Retail: $89.99

    Special Price $67.46

  • Grozone Control TP3 High Temperature Shut Off Tempstat

    Automatically shuts down lighting and/or other equipment when a high temperature setpoint is reached. Once turned-off, the unit will run a user selected delay from 0 to 30 minutes before turning back on or will hold restart until manual reset (temperature setback of 5F or 10F/3C to 5C). 6 foot cord with temperature sensor precise to 2F/1C. Can power 120Vac equipment up to 15 amp. To be used in conjunction with 120Vac triggered high-load or light switcher like the LS1, LS2 or LS3. 3 year warranty.
    SKU:
    780102

    Retail: $91.75

    Special Price $71.24

  • 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.
    SKU:
    780100

    Retail: $91.75

    Special Price $71.24

  • Controller - Titan Controls Saturn 3 - Digital Temperature Humidity & CO2 Controller (EXISTING STOCK ONLY)

    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.
    SKU:
    702657

    Retail: $688.95

    Special Price $469.35

  • 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.
    SKU:
    702852

    Retail: $679.95

    Special Price $498.60

  • 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.
    SKU:
    APCECO

    Retail: $323.99

    Special Price $223.55