Hydrofarm JumpStart Digital Temperature Controller for Heat Mats - 68-108F - 8.3A / 1000W

Precise Root Zone Temperature Management for Heat Mat Propagation

The Hydrofarm JumpStart Digital Temperature Controller allows growers to select and maintain an exact root zone temperature for seedling and cutting propagation, rather than relying on the fixed output of a standard heat mat. Set your target temperature anywhere in the 68-108 degree F range, and the controller automatically cycles the connected heat mat on and off to maintain that exact setpoint. Compatible with all Hydrofarm heat mats and many other brands. The included temperature probe monitors actual growing media temperature, and an illuminated indicator light shows when the mat is actively heating. Rated for up to 8.3 Amps / 1000 Watts -- handles multiple mats on a single controller when within the rated amperage limit.

Key Features & Benefits

• Precise Temperature Control -- 68-108F: Set an exact target temperature for your root zone rather than relying on a fixed mat output.
• Temperature Probe Included: Monitors actual growing media temperature at the root zone and feeds that data back to the controller.
• Compatible With All Hydrofarm Heat Mats: Works with all JumpStart and Hydrofarm heat mats as well as many other brand heat mats.
• Illuminated Indicator Light: Visual indicator shows when the heat mat is actively heating, letting you confirm correct cycling at a glance.
• 8.3A / 1000W Capacity: High amperage rating supports running multiple heat mats through a single controller simultaneously.

Who Should Use This

An essential upgrade for any grower who wants to dial in a specific root zone temperature rather than accepting the fixed output of an uncontrolled heat mat, particularly for crops with narrow germination temperature windows.

Compatibility

Compatible with all Hydrofarm JumpStart heat mats and many other heat mat brands. Maximum load capacity: 8.3 Amps / 1000 Watts -- do not exceed this limit when connecting multiple mats. 3-prong grounded plug for standard 120V household outlets.

Frequently Asked Questions

What temperature range does this controller support?

The JumpStart Digital Controller supports a temperature range of 68 to 108 degrees F. Set any target temperature within this range and the controller maintains it by cycling the connected heat mat on and off.

How do I switch between Celsius and Fahrenheit?

Hold the up or down button on the controller to toggle between Celsius and Fahrenheit display modes. Use whichever scale your growing operation is already set up to track.

Can I run more than one heat mat on this controller?

Yes -- as long as the combined amperage of all connected mats does not exceed the 8.3 Amp / 1000 Watt rated capacity of the controller. Add up each mat's amperage draw before connecting multiple units.

When should I place the temperature probe versus just trusting the mat's output?

Place the probe directly in the growing media any time you need an exact target temperature rather than the mat's uncontrolled fixed output. This matters most for crops with narrow germination temperature windows where a few degrees make a difference.