This is the central and western furnace hot fan switch 115 degrees, 90 degrees applies to fireplace blower It is important to disconnect your appliance from the power supply before servicing. Country of Origin: China Commitment: If you are not satisfied with the received goods, you can return them for a refund, please rest assured to buy 115 Degree ON, 90 Degree OFF Midwest Hearth Thermal Fan Switch compatible with Fireplace Blower