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 A simple device to control the temperature of an area. Any cooling device that operates on 120 volts and is 15-amps or less can plug in to the COOL-1. Once connected to the COOL-1, the device is turned off & on when the temperature changes. Very similar to the thermostat in your home. Set the temperature you want to maintain, and the thermostat activates when it senses a change in temperature.
15 amps @ 120 volts
50 to 115° F
Deadband 5 degrees F
> 10 years
15 amps / 3/4 HP
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 100% digital recycling timer. Allows the suer to set the on & off times in hours, minutes & seconds. No complex menus, single function push button for ease of use. Photocell allows daytime, nighttime or 24-hour operation. Two receptacles control up to 15-amps of power. Memory backed up with lithium battery. Re-settle circuit breaker built-in.
- 15 amps @ 120 volts
- 32 to 120° F
- 0-99% rH
- Day, Night or 24-hour +/- 12 seconds/year
- 1 second
- 23 hours, 59 min, 59 sec
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| 702500 | SENTINEL DIGITAL RECYCLING TIMER (DRT-1) | $118.95 | Add to Cart |
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 The CHHC-4 Total Environmental Controller has the same button controls, layout and design as its predecessor, the CHHC-1, but we've made some drastic improvements! We've added plant friendly green LED displays to avoid plant cycle disruption. We've introduced weather resistant housing to avoid controller contamination. We have installed a removable remote probe assembly for easy product placement and probe replacement. We have added a dual beam CO2 sensor - the highest tech, most accurate sensor available to the hobby hydroponics industry. Most importantly, we have incorporated ROHS compliant construction to reduce the use of hazardous materials in the construction of Sentinel products. It is our mission to produce high quality, reliable products while remaining environmentally responsible. The CHHC-4 accomplishes that and so much more! | | Item # | Description | Price | Add to Cart |
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| 702531 | CHHC-4/Total Environmental Controller | $759.95 |  |
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 The CPPM-4 controls your carbon dioxide levels with part-per-million accuracy. It uses a CO2 sensor that is extremely accurate and features a ten-year life expectancy. Our combination CO2 and light level sensor is housed in a separate remote sensor enclosure that can be located up to 100 ft from the controller. The CPPM-4 can also be connected to other controllers so that the CO2 is disabled (useful when operating exhaust fans). It can be operated in fuzzy-logic mode (for compressed CO2), or on-off (for CO2 generators). | | Item # | Description | Price | Add to Cart |
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| 702533 | CPPM-4 CO2 Controller with remote probe | $626.95 | |
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 HAC-30A (High Amperage Controller 30 amp) is a hard wired 30 Amp capacity, 240v power relay with 110v actuation. Supply 240 volts to the input side of the relay, then hard wire appliances, junction boxes, terminal boxes or receptacles to the output side of the relay. The 15 ft. trigger cable coming from the HAC-30A is then connected to a controller, time clock, or thermostat. This allows controlling of 240 volt lighting, air conditioners, heaters, dehumidifiers, ventilation fans, water pumps etc. via Sentinel controllers (or any other 110 volt output device). It is highly important to keep your greenhouse environment functioning properly, light timers, temperature control and C02 regulators are all items that help you take care of this. We carry a wide variety of products in popular brands like Titan Controls, Sentinel and Harvest-Master. | | Item # | Description | Price | Add to Cart |
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| 702580 | Sentinel HAC-30A High Amperage Contactor | $151.95 | Add to Cart |
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 HID-2 is the newest Sentinel all-digital lighting controller. It's 24 hour digital time clock with battery backup turns on (2) receptacles. Receptacles can be staggered up to 20 minutes apart to allow lights or banks of lights to reach full intensity before igniting the next bank. The user can select a maximum temperature for their growing environment. When the 4 meter remote temperature probe senses this threshold has been exceeded due to failure of cooling systems, the HID-2 will go into safe mode and disconnect power to lighting. A user adjustable hot start delay allows ballasts and expensive lamps to cool off for up to 1 hour if power is interrupted during a lighting cycle. | | Item # | Description | Price | Add to Cart |
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| 702585 | Sentinel HID-2 Digital Lighting Controller | $159.95 | Add to Cart |
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 100% digital recycling timer that combines 2 main timing functions in one convenient package. Control lighting schedules with 24-hour clock. The MDT-1 has an integrated digital recycling timer that can operate daytime, nighttime or 24-hours per day. Digital recycling on & off times can be programmed in hours, minutes and seconds. The Hi-Temp shutdown featurea allows the user to set a maximum temperature. In the event of overheating, the MDT-1 will shut off the lighting. If overheating even happens, the unit logs the max temperature and the time it occured. 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, the HID lamps are permitted to re-start.
- 15 amps @ 120 volts
- 32 to 120° F
- 0-99% RH
- Day, Night or 24-hour +/- 12 seconds/year
- 1 second
- 23 hours, 59 min, 59 sec
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| 702505 | SENTINEL MASTER DIGITAL TIMER (MDT-1) | $208.95 | |
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 Simple to use, 100% digital temperature control. Photocell allows separate day and night temperature settings. Record & recall minimum and maximum temperature levels. Features a heating or cooling mode with adjustable deadband and 16 ft remote probe.
15 amps @ 120 VAC
32 to 120 degrees F
0-99%
UTC-1 +/- 15'F
| | Item # | Description | Price | Add to Cart |
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| 702515 | SENTINEL UNIVERSAL TEMP. CONT. (UTC-1) | $137.95 | Add to Cart |
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 The EVC-1 provides extreme flexibility in a reliable solid-state environmental controller. Selectable C02, temperature and humidity modes allow the user to control temperature & humidity separately or together. Built-in photocell activates C02 device during the day. Night device outlet can conrol an exhause fan/sulfur burner, etc.
15 amps @ 120 VAC
32 to 120 degrees F
0-99% rH
+/- 2'F
+/- 7% rH
| | Item # | Description | Price | Add to Cart |
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| 702520 | SENTINEL ENVIRONMENTAL CONT. (EVC-1) | $199.95 | |
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 The EVC-2 controls your temperature & humidity with digital accuracy. Photocell allows day/night temperature & humidity settings and also provides daytime C02 operation. The remote combination temperature & humidity probe allows the probe to be placed near plant canopy. It records & recalls minimum and maximum temperature & humidity levels. The EVC-2 has two temperature modes, heating & cooling with separate humidity control to add or remove humidity. Adjustable temperature deadband.
- 15 amps @ 120 VAC
- 32 to 120 degrees F
- 0-99% rH
- +/- 1'F
- +/- 3% rH
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| 702525 | SENTINEL ENVIRONMENTAL CONT. (EVC-2) | $284.95 | |
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 The HPH-4 High Power HID controller allows the user to connect up to (4) 1000 watt HID ballasts to one main control “relay”. It is designed to safely control HID lights from a single 30-amp power source. It accomplishes this by using a 16 foot “trigger” cable that connects to a timeclock or the MDT-1. When the timer connected to the trigger cable turns on, the heavy-duty relay inside the HPH-4 is energized. When the relay is energized, the lights are turned on.
- 30-amps @ 240 VAC
- 120 VAC, 16 foot, Nema 1-15
- 4000 watts
- Four (4) ballasts
- Heat sink cast aluminum
- >10 years
| | Item # | Description | Price | Add to Cart |
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| 702535 | SENTINEL HIGH POWER HID CONT. (HPH-4) | $166.95 | Add to Cart |
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 The HPH-8 High Power HID controller allows the user to connect up to (8) 1000 watt HID ballasts to one main control “relay”. It is designed to safely control HID lights from a single 50-amp power source. It accomplishes this by using a 16 foot “trigger” cable that connects to a timeclock or the MDT-1. When the timer connected to the trigger cable turns on, the two heavy-duty relays inside the HPH-8 is energized. When the relays are energized, the lights are turned on.
- 50-amps @ 240 VAC
- 120 VAC, 16 foot, Nema 1-15
- 8000 watts
- Four (8) ballasts
- Heat sink cast aluminum
- >10 years
| | Item # | Description | Price | Add to Cart |
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| 702540 | SENTINEL HIGH POWER HID CONT. (HPH-8) | $256.95 | |
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 Power Expansion Modules increase the number or size of lights, fans, air conditioners and pumps in your growing area that can be automated. Install the PXM by connecting the pre-wired trigger cable into any controller or timer that is 120 volts. Then locate the suitable circuit and plug in the pre-wired guage cable into the power outlet of your choice. Plug the devices that are to be controlled into the PXM and you are ready to go.
PMX-1
- 15 amps @ 120 VAC
- 120 VAC, 16 ft, Nema 1-15
- 1200 watts
- 14,000 BTU @ 120 volt
PMX-2
- 15 amps @ 240 VAC
- 120 VAC, 16 ft, Nema 1-15
- 2400 watts
- 24,000 BTU @ 240 volt
| | Item # | Description | Price | Add to Cart |
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| 702545 | SENTINEL POWER EXP. 120-VOLT (PXM-1) | $99.95 | Add to Cart | | 702550 | SENTINEL POWER EXP. 240-VOLT (PXM-2) | $113.95 | Add to Cart |
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 The C02-REG controls the flow of C02 and regulates the amount of C02 with a precision flow guage that can be set from 1/2 - 15 SCFH (standard cubic feet per hour). The color coded pressure guage is easy to read and understand. Comes with a 6 ft power cord and 120 volt solenoid pre-wired. Ready to connect to a controller or a timer. Can be used with either 20 lb or 50 lb C02 cylinders. The C02-REG reduces the pressure from the cylinder from over 2000 psi down to 30 psi. Maximum inlet 3000 psi.
CO2-EXP CO2 Expansion Regulator
Designed to be used with the C02-REG. Using the C02-EXP together with the C02-REG tanks to be connected and controlled. Extend time between required tank charges. The connection to the C02-EXP is low pressure making installation safe and easy. The C02-EXP comes with its own easy to read guage and 1/4" interconnecting hose. | | Item # | Description | Price | Add to Cart |
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| 702555 | SENTINEL CO2 REGULATOR (CO2-REG) | $142.95 | Add to Cart | | 702560 | SENTINEL EXPANSION REGULATOR (CO2-EXP) | $79.95 | Add to Cart |
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 Gas burning C02 generators are the most cost effective way of producing C02. The FCG series of generators are the safest and most advanced C02 generators available today.
- Two models available, Propane (LP) and Natural Gas (NG)
- Variable C02 output from 6-27 cu ft C02/hr
- Solid-state electronic ignition control module eliminates the open pilot flame
- Tip-switch shuts off the gas flow in the event of a fall
- Unit comes complete with 10 brass burners pre-installed
- Brass burners are designed to burn clean and produce consistent blue flames
- Open "air-cooling" module available
- Dual redundant low-voltage solenoid valves add a second layer of safety
- Complete with 12 foot hose and pressure regulator
| | Item # | Description | Price | Add to Cart |
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| 702570 | SENTINEL VARI. CO2 GEN. LP/Propane 3000 (VCG-6) | $465.95 | | | 702572 | SENTINEL VARI. CO2 GEN. Natural Gas 3000 (VCG-6) | $465.95 | | | 702565 | SENTINEL VARI. CO2 GEN. LP/Propane 6000 (VCG-27)-NOT IN STOCK | $645.95 | | | 702567 | SENTINEL VARI. CO2 GEN. Natural Gas 6000 (VCG-27)-NOT IN STOCK | $645.95 | |
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