Home Harvest® Garden Supply Online

Plant Grow Light
Timers



Heavy Duty
Grounded 15 Amp
24 Hour
Mechanical Timer
Keeping plants grown under artificial light on a regular schedule is very important to healthy plant growth. Automatically turn your plant grow light systems on and off when you desire. This grounded, 15 amp capacity, mechanical timer works with all light and hydroponic systems. 3 prong grounded female
Hydrofarm 24-Hour 15A Mechanical Timer
receptacle, 3 prong grounded male plug. 48 on and 48 off, 15 minute cycles built right in makes this timer excellent for ebb and flood applications. No little pins to lose! Manual override. 125VAC/60Hz, 15(2)A. UL Listed.
Order #TM01015
HF Heavy Duty
Grounded 15A
24 Hour
Mechanical Timer
16.95

qty:  



Heavy Duty
15 Amp Grounded
24 Hour
Digital Timer
For use with HID and fluorescent light fixtures, and ideal for ebb & flood hydroponic systems, this timer features the ability to switch power on and off up to eight times per 24 hour day. Individual day or multi-day timer settings. Battery backup (included) for the timer clock assures your systems stay on schedule even after a power outage.
Hydrofarm 24-Hour 15A Digital Timer
Can also be used with electrical appliances such as lights, radios, television sets, coffee makers, automatic water sprinklers, commercial signs, etc.

Minimum 'on' time is 1 minute. 3 prong grounded female receptacle, 3 prong grounded male plug.
Order #TM01715
HF Heavy Duty
Grounded 15A
24 Hour
Digital Timer
21.95

qty:  



Grasslin
Heavy Duty
15 Amp Grounded
Plug-In Timer
Keeping plants grown under artificial light on a regular schedule is very important to healthy plant growth. Automatically turn your plant grow light systems on and off when you desire. This grounded, 15 amp capacity, mechanical timer works with all light and hydroponic systems. 3 prong
Grasslin Heavy Duty UL/CSA 15 Amp Grounded Plug-In Timer
grounded female receptacle, 3 prong grounded male plug. 48 on and 48 off, 15 minute cycles built right in makes this timer excellent for ebb and flood applications. No little pins to lose! Manual override. 125VAC/60Hz, 15(2)A. UL Listed.
Order #0015479
Grasslin 15 Amp
Grounded Plug-In
Mechanical Timer
19.95

qty:  



Grasslin 7-Day Programmable
Digital Timer

For use with HID and fluorescent light fixtures, and ideal for ebb & flood hydroponic systems, this timer features the ability to switch power on and off up to six times per 24 hour day. Individual day or multi-day timer settings. Battery backup (included) for the timer clock assures your systems stay on schedule even after a power outage. Can also be used with electrical appliances such as lights, radios, television sets, coffee makers, automatic water sprinklers, commercial signs, etc.
Grasslin 7-Day Programmable Digital Timer
Minimum 'on' time is 1 minute. 3 prong grounded female receptacle, 3 prong grounded male plug. Not for use with 1000 watt or greater HID lighting systems. Input line voltage, 125VAC/60Hz; Maximum Output Current, 15(3)Amps. Maximum resistive load, 1875 Watts (15A X 125VAC). Maximum lighting load, 960 Watts (8A X 120VAC). Ambient temperature operating range between 14 and 122 degrees Fahrenheit. UL Listed.
Order #0012500
Grasslin 7-Day
Programmable
Digital Timer
29.95

qty:  



EcoPlus
15 Amp Grounded
Plug-In Timer
Regular irrigation is very important to healthy hydroponic plant growth. Automatically turn your pump and hydroponic systems on and off precisely when you desire.
EcoPlus Heavy Duty UL/CSA 15 Amp Grounded Plug-In Mechanical Timer
This grounded, 15 amp capacity, mechanical timer works with all light and hydroponic systems and features dual 3 prong grounded female receptacles which operate on the same cycle. 3 prong grounded male plug. 48 on and 48 off, 15 minute cycles built right in makes this timer excellent for ebb and flood applications. No little pins to lose! Manual override. 125VAC/60Hz, 15(2)A. UL Listed.
Order #734100
EcoPlus
24 Hour, 15 Amp
Grounded Plug-In
Mechanical Timer
17.95

qty:  



EcoPlus
15 Amp Grounded
Digital
Plug-In Timer
For use with HID and fluorescent light fixtures, and ideal for ebb & flood hydroponic systems, this timer features the ability to switch power on and off up
EcoPlus Heavy Duty UL/CSA 15 Amp Grounded Plug-In Digital Timer
to six times per 24 hour day. Individual day or multi-day timer settings. Battery backup (included) for the timer clock assures your systems stay on schedule even after a power outage. Can also be used with electrical appliances such as lights, radios, television sets, coffee makers, automatic water sprinklers, commercial signs, etc.

Minimum 'on' time is 1 minute. 3 prong grounded female receptacle, 3 prong grounded male plug. 120V.
Order #734105
EcoPlus
24 Hour, 15 Amp
Grounded
Programmable
Digital Timer
22.95

qty:  



Green Air Products Model TSC-1 TimeStat 24-Hour Timer Green Air Products, Hydroponic Systems Control Company

Canadian & United States Underwriters Labs Listed Product
Green Air Products
Model TSC-1
TimeStat 24-Hour Timer
The TSC-1 timer is a 24 hour time switch that provides accurate timing with 96 non-detachable trippers for On/Off functions adjustable in 15 minute increments up to 48 cycles per day. Easy to set and operate. The heavy plastic enclosure and aluminum back plate provide a durable and attractive housing which will never corrode or discolor from hot, cold or humid environments. This unit can be used independently or as part of a combination of control devices to coordinate numerous system functions.

Precision synchronous clock motor provides 15 amp, 110 volt control for pumps, fans, lighting, solenoids, motor relays... virtually any equipment or appliance dependent upon multiple daily operations. Convenient by-pass switch on front allows equipment to be turned off or on momentarily without interupting time cycle. Features a duplex cord-cap which provides a combination plug and receptacle power cord design. Insert plug into 110V wall outlet and plug equipment into piggy back receptacle. For complete operating instructions and usage examples, click here. Fully listed by Canadian and United States Underwriters Laboratories (CuLUS).
Order #0016485
Green Air
Products
Model TSC-1
TimeStat
24-Hour Timer
139.00

qty:  



Green Air Products Model 24-DT-1 Dual 24-Hour Timer Green Air Products, Hydroponic Systems Control Company
Green Air Products
Model 24-DT-1
Dual 24-Hour Timer
The 24-DT-1 controller features two independent 24 hour clock timers in one convenient housing. Each time clock has a separate power cord and a duplex outlet. Each timer is equipped with 96 non-detachable 15 minute on/off trippers. Function indicator lights display when the outlets have power.

The high quality precision synchronous motors operate the internal 15 amp switches. All Green Air Products controllers are housed in black anodized brush finish aluminum enclosures which can not break, chip or corrode. Use this timer for lighting, pumps, solenoids, relays, fans, etc. Operates on 110 volts with a 15 amp switching capacity. For complete operating instructions and usage examples,
click here.
Order #0016481
Green Air
Products
Model 24-DT-1
Dual 24 Hour
Timer
219.00

qty:  



Green Air Products Model 24-CT-1 24-Hour Timer Plus Cooling Thermostat Green Air Products, Hydroponic Systems Control Company
Green Air Products
Model 24-CT-1
24 Hour Timer Plus
Cooling Thermostat
For the basics in hobby greenhouse or garden room control, the 24-CT-1 may be just what you need. This handy unit incorporates two of the more common requirements for a smaller enclosure. A timed duplex outlet and a thermostatically controlled duplex outlet. The 24 hour timer features 96 non-detachable 15 minute on/off trippers and is ideal for operating lighting, carbon dioxide equipment, watering systems, etc. while the thermostat is used to operate cooling equipment. These outlets operate independently and neither one defeats the other. Operates on 110 volts with a 15 amp capacity. For complete operating instructions and usage examples, click here.
Order #0016480
Green Air
Products
Model 24-CT-1
24 Hour Timer
Plus Cooling
Themostat
199.00

qty:  



Green Air Products Model HAR-1 High Amperage Relay Green Air Products, Hydroponic Systems Control Company
Green Air Products
Model HAR-1
High Amperage Relay
The HAR-1 is a power relay that uses high amperage capacity contacts to transfer power to large fans or lighting systems requiring high voltage or amperage service. Use to operate 110 or 240 volt high draw equipment. 30 amp switch capacity with 110 volt trigger. Use in combination with any Green Air Timer of your choice. For complete operating instructions and usage examples, click here.
Order #0016479
Green Air
Products
Model HAR-1
High Amperage
Relay
219.00

qty:  



Green Air Products Models LT4-120/LT4-240 4-Light Timer Green Air Products, Hydroponic Systems Control Company
Green Air Products
Model LT4-120
Model LT4-240
4 Light Timer
The LT4-120 lighting timer is designed to safely operate high load lighting equipment. Consisting of a premium quality precision synchronous clock motor and a high amperage switching circuit, the LT4-120 provides four (4) 10 amp, 120 volt outlet receptacles, each capable of powering up to 1,000 watts of lighting equipment. This unit is also available in a 240 volt version that provides four (4) 5 amp, 240 volt outlet receptacles, each capable of powering up to 1000 watts of lighting equipment.

All Green Air Products controllers are housed in black anodized brush finish aluminum enclosures which cannot break, chip or corrode. Both models have a maximum switching capacity of 40 amps. Plug or wire the power cord into a receptacle capable of handling the amperage draw of your equipment load. Make certain that the receptacle, wiring and circuit breaker are adequate and properly suited for this application. Engaging the services of an electrician is advised if uncertain. Plug lighting equipment into outlet receptacles located on each side of controller. Comes with 10 feet of heavy duty fexible gauge SEOW wire cord. Electric range or dryer plugs and receptacles work well as detachable cord connects for easy installation. 24 hour timer has 96 non-detachable 15 minute on\off trippers. For complete operating instructions, usage examples, and further information,
click here.
Order #0016482
Green Air
Products
Model LT4-120
120 Volt
4-Light Timer
299.00

qty:  
Order #0016483
Green Air
Products
Model LT4-240
240 Volt
4-Light Timer
349.00

qty:  



Green Air Products Model LT8-240 8-Light Timer Green Air Products, Hydroponic Systems Control Company
Green Air Products
Model LT8-240
8 Light Timer
The LT8-240 lighting timer is designed to safely operate high load lighting equipment. Consisting of a premium quality precision synchronous clock motor and a high amperage switching circuit, the LT8-240 provides eight (8) 5 amp, 240 volt outlet receptacles, each capable of powering up to 1,000 watts of lighting equipment.

All Green Air Products controllers are housed in black anodized brush finish aluminum enclosures which cannot break, chip or corrode. This unit has a maximum switching capacity of 40 amps. Plug or wire the power cord into a receptacle capable of handling the amperage draw of your equipment load. Make certain that the receptacle, wiring and circuit breaker are adequate and properly suited for this application. Engaging the services of an electrician is advised if uncertain. Plug lighting equipment into outlet receptacles located on each side of controller. Comes with 10 feet of heavy duty fexible gauge SEOW wire cord. Electric range or dryer plugs and receptacles work well as detachable cord connects for easy installation. 24 hour timer has 96 non-detachable 15 minute on\off trippers. For complete operating instructions, usage examples, and further information,
click here.
Order #0016484
Green Air
Products
Model LT8-240
240 Volt
8-Light Timer
395.00

qty:  



Global Product Solutions
Sentinel
Master Digital Timer
MDT-1
Global Product Solutions offers a wide variety of environmental controllers, all of which are backed by a 3-year manufacturers warranty.

The MDT-1 combines a 100% digital recycling timer with the ability to control the photo period of greenhouse supplemental and indoor HID grow lights.

The recycling timer function allows the user to set the on and off times in hours, minutes, and seconds. Single function pushbuttons provide intuitive and easy programming with no complicated menus. Integrated
Global Product Solutions Sentinel Master Digital Timer MDT-1

Global Product Solutions Sentinel Master Digital Timer MDT-1
photocell allows daytime, nighttime, or 24-hour operation. Two grounded receptacles control up to 15-amps of power. Memory backed up with included lithium battery.

The digital lighting timer controls high intensity or fluorescent plant grow lights with a 24-hour time clock.

A high temperature shutdown feature allows the user to set a maximum temperature. In the event of overheating, the MDT-1 will shut off the lighting. If overheating event happens, the unit logs the max temperature and the time it occurred.

Hot start prevention monitors the incoming power and will disable the HID lights in the event of a power failure. After a user selectable delay, plant growing lights will automatically attempt to restart.

Powers equipment rated up to a total of 15 amps at 120 VAC. 15 amp resettable circuit breaker.
Order #MDT1
GPS Sentinel
Master Digital
Timer
Model MDT-1
209.95

qty:  



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Hydrofarm Powerhouse Remote Ballast
Hydrofarm Powerhouse Remote Ballast
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Hydrofarm Super Grow Pro Remote Ballast
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