This is the DC Thermostat Kit for use with DC Snap-Fan Solar Kits. It includes 10ft of cable with MC4 connectors.

Control your growing environment by adding this thermostat in your solar greenhouse ventilation system. Simply set the thermostat to the desired temperature and leave it be. If is sunny but cold outside, this addition will help keep the warm air in by controlling the power from the solar panel to the fan. You can also use the thermostat as an on/off control for your exhaust fan.

DC Thermostat Specifications

Part# SF.9939
Max DC Current : 10 amp
Accuracy: 4 degree Fahrenheit differential

See all the Snap-Fan solar greenhouse fan equipment here