Monitors & Timers
Showing 81–96 of 143 results
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TrolMaster Dry Contact Board for Hydro-X Pro and Aqua-X Pro (OM-8)
$313.95Estimated delivery dates: Aug 20, 2026 - Aug 25, 2026 -
TrolMaster Dry Contact Station (DSD-1)
$82.95Estimated delivery dates: Aug 20, 2026 - Aug 25, 2026 -
TrolMaster DST-1 Temperature Device Station
$73.50Estimated delivery dates: Aug 20, 2026 - Aug 25, 2026 -
TrolMaster DST-2 240V Temperature Device Station
$92.40Estimated delivery dates: Aug 20, 2026 - Aug 25, 2026 -
TrolMaster Dual Condition Adaptor (DCC-1)
$78.38Estimated delivery dates: Aug 20, 2026 - Aug 25, 2026 -
TrolMaster EC Fan Control Adapter (EFC-1)
$61.95Estimated delivery dates: Aug 20, 2026 - Aug 25, 2026 -
TrolMaster Expander Station 4 (4RS-1)
$152.25Estimated delivery dates: Aug 20, 2026 - Aug 25, 2026 -
TrolMaster Full Spectrum Quantum Sensor (MBS-PAR)
$488.25Estimated delivery dates: Aug 20, 2026 - Aug 25, 2026 -
SOLD OUT 
TrolMaster Group Control Lighting Adapter, for 0-10V protocol (LMA-14G)
$95.55 -
TrolMaster Group Control Lighting Adaptor, forThinkGrow Model-I (LMA-G)
$95.55Estimated delivery dates: Aug 20, 2026 - Aug 25, 2026 -
TrolMaster Grow Camera (TC-2)
$99.00Estimated delivery dates: Aug 20, 2026 - Aug 25, 2026 -
TrolMaster Hawkeye (CM-1)
$271.22Estimated delivery dates: Aug 20, 2026 - Aug 25, 2026 -
TrolMaster Humidistat Station (HS-1)
$128.62Estimated delivery dates: Aug 20, 2026 - Aug 25, 2026 -
TrolMaster Humidity Device Station (DSH-1)
$73.50Estimated delivery dates: Aug 20, 2026 - Aug 25, 2026 -
TrolMaster Hydro-X 3-in-1 Temp/Humidity/Light Sensor Replacement (MBS-TH)
$82.95Estimated delivery dates: Aug 20, 2026 - Aug 25, 2026 -
TrolMaster Hydro-X CO2 Sensor (MBS-S8)
$233.10Estimated delivery dates: Aug 20, 2026 - Aug 25, 2026
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&url=https://jollygreenhydroponics.com/product/trolmaster-ec-fan-control-adapter-efc-1/&media=https://jollygreenhydroponics.com/wp-content/uploads/2026/06/TRCEFC1_1-1024x853.jpg){kind=link}
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&url=https://jollygreenhydroponics.com/product/trolmaster-grow-camera-tc-2/&media=https://jollygreenhydroponics.com/wp-content/uploads/2026/06/TRCTC2_1-1024x853.jpg){kind=link}
&url=https://jollygreenhydroponics.com/product/trolmaster-hawkeye-cm-1/&media=https://jollygreenhydroponics.com/wp-content/uploads/2026/06/TRCCM1_1-1024x853.jpg){kind=link}
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&url=https://jollygreenhydroponics.com/product/trolmaster-hydro-x-3-in-1-temp-humidity-light-sensor-replacement-mbs-th/&media=https://jollygreenhydroponics.com/wp-content/uploads/2026/06/TRCMBSTH_1-1024x853.jpg){kind=link}
&url=https://jollygreenhydroponics.com/product/trolmaster-hydro-x-co2-sensor-mbs-s8/&media=https://jollygreenhydroponics.com/wp-content/uploads/2026/06/TRCMBSS8_1-1024x853.jpg){kind=link}