Fan Blower Control Board Compatible with Brand A-1 Bard ICP Mars Rheem Snyder OEM Replacement Part Number 139533 32574 42-22515-01 42-22515-02 42-22515-03 5893 8201-056 Control Voltage 24V AC Input Voltage 18 to 30V AC Items Controlled Circulating Fans Product Type Fan Blower Control Board Overall Width 2 1/2 in Overall Depth 2 1/2 in Weight 0.2 lb For Use With Commercial HVAC Equipment Residential Application Air Conditioning Commercial HVAC Residential Includes -