Thermostatically controlled to ensure reliable performance. Helps provide enhanced heat circulation. Works with ProCom DF stove fireplace EDP200 and FBD400 models. Blower for ProCom DF stoves EDP200 and FBD400 fireplaces. Works with ProCom products only. Will help circulate heat 75% better. For use with models QD250T, EDP200T2-JA, EDP200T2-MO, FBD400RTCC-M-HC, FBD400RTCC-M-MO, FBD400TCC-M-HC, FBD400TCC-M-MO, PCSD25T, and PCSD25RT.