Sentinel Power Expansion Module PXM-1 When you need to control larger equipment with higher amperage, or when you need to increase the number or size of the lights, fans, air conditioners or pumps in your growing area... The Sentinel PXM-1 (15 amp@120vac) or PXM-2 (15 amp@ 240vac) is the answ... More Details
Price: $74.53

Sentinel MDT-1 Master Digital Timer The MDT-1 combines the function of the DRT-1 with the ability to control the photo period of your gardens HID lighting. The MDT-1 is a 100% DIGITAL Lighting recycling timer. Combines 2 main timing functions in one convenient package. Control... More Details
Price: $163.98

Sentinel UTC-1 Universal Temperature Controller Temperature how important is temperature control inside a growing area? It should be the first priority when considering how the area will be setup. Some people in warmer climates have turned to rather expensive cooling methods such as air-conditioners. A... More Details
Price: $108.07

Sentinel HPH-8 High Power Hid Controller, 8000W When trying to control more than one HID lighting system, you can either use a bunch of timers OR the HPH-8. The HPH-8 makes it simple to control up to 8000 watts of lighting from a single timer or controller. The HPH-4 has EIGHT UNIVERSAL receptacles tha... More Details
Price: $201.24

Sentinel HPH-4 High Power Hid Controller, 4000W When trying to control more than one HID lighting system, you can either use a bunch of timers OR the HPH-4. The HPH-4 makes it simple to control up to 4000 watts of lighting from a single timer or controller. The HPH-4 has FOUR UNIVERSAL receptacles that... More Details
Price: $130.43

Sentinel CO2 Generator Propane (LP) 6000-27000 BTU VCG-27 LP comes complete with (10) clean burning brass burners pre-installed that produce from 6 up to 27 cubic feet / hr of CO2. Two selector valves make setting the output easy. Electronic ignition standard, tip-over switch standard, dual redundant sole... More Details
Price: $506.83

Sentinel CO2 Generator Propane (LP) 3000-6000 BTU VCG-6 LP comes complete with (2) clean burning brass burners pre-installed that produce up to 6 cubic feet / hr of CO2. Electronic ignition standard, tip-over switch standard, dual redundant solenoids standard, peace of mind STANDARD. Comes with the appro... More Details
Price: $365.22

Sentinel CO2 Generator Natural Gas (NG) 3000-6000 BTU VCG-6 NG comes complete with (2) clean burning brass burners pre-installed that produce up to 6 cubic feet / hr of CO2. Electronic ignition standard, tip-over switch standard, dual redundant solenoids standard, peace of mind STANDARD. Comes with the appro... More Details
Price: $365.22

Sentinel CO2 Generator Natural Gas (NG) 6000-27000 BTU VCG-27 NG comes complete with (10) clean burning brass burners pre-installed that produce from 6 up to 27 cubic feet / hr of CO2. Two selector valves make setting the output easy. Electronic ignition standard, tip-over switch standard, dual redundant sole... More Details
Price: $506.83