The Microclimate fuse pack contains 5 x 5amp Ultra Fast fuses. These fuses replace the internal fuse fitted to the following products. Prime 1, Prime 2, EVO, B1, B1HT, B1ME and B1ME HT.

The fuse is ultra fast acting and is used to protect against external faults to the thermostat which can be caused by bulbs, bulb holders or wiring problems.

5 x 5amp FF Ultra fast blow fuses