Palram Automatic Greenhouse window vent

Compatible with any Palram Canopia greenhouse roof vent, the Palram Canopia Greenhouse Auto Vent Arm helps optimise the temperature in your greenhouse, even when youre not around.This intelligently designed greenhouse auto vent arm opens and closes the roof vent according to the temperature inside your greenhouse. It operates using a solar powered mechanical system, so theres no need to connect to an electricity supply for it to work.The heat activated arm is designed using wax, which contracts and expands as the temperature inside the greenhouse changes. The arm begins opening the roof vent at 12 15C, and then closes it as the temperature falls.Simple to instal, this greenhouse automatic vent arm is compatible with any Palram Canopia greenhouse that is fitted with a roof vent.Free delivery is available to most UK postcodes.Solar powered mechanical systemNo need for electricityAutomatically opens the roof vent at a temperature of 12 15CCloses the vent as the temperature fallsSimple installationCompatible with any Palram Canopia greenhouse roof ventFree delivery to most UK postcodes