New original manufacturer damper solenoid for H2 and H4 Hardy wood furnace, controls damper on blower. Beware of less expensive models. This unit fully opens the blower damper to allow proper air flow; most other units do not, thus "cheaper". Unit carries full manufacturers warranty. Item usually ships within 2-business days following our receipt of payment. We carry a full line of parts for the Hardy furnace line; if you can not find what you need call us at 4792291302. Return policy: Be sure to provide address for USPS delivery; returns due to "not deliverable" will require additional shipping costs. All items are tested before shipping, therefore there should be no returns due to defect. In the event of a defect during the warranty period, after return and inspection of the item in question a replacement will be sent to buyer, subject to manufacturer warranty restrictions. Before return of any item, our office must be contacted to assist in verifying defect and to obtain a return authorization.