Supco Fan & Limit with Time Delay 7" SPDTTime Start Fan Control for "Heat Assist"Time delay turns ON blower as function of time and/or temperature after "Call for Heat"Turns OFF blower as a function of temperature at dial setting for fanAdjustable furnace temperature limit to match existing settingSPST SwitchPilot Duty: 40 VA @ 30 and 120Electrical Rating: "Heat Assist" - 0.08 Amps @ 24 VACProduct Specifications BRANDCamstat LENGTH INCHES8-1/2 WIDTH INCHES2 HEIGHT INCHES2 ELEMENT LENGTH INCHES7 DESCRIPTIONFan & Limit with Time Delay SPDT PACKAGE QUANTITY1 MANUFACTURER'S PART NUMBERFALTS57C13BT120A