The Goodman Amana Blower Control Board PCBFM103 1005-83-1724 SST-B is a hardwired control board designed for use with Goodman, Janitrol, and Amana brand heating and cooling systems. It has a 24V power source and is compatible with central furnace, central air conditioner, air conditioner split system, and heat pump split system models ranging from 2 to 3 1/2 tons. This unit is lightweight at 5 oz and has dimensions of 6 inches in length, 4 1/2 inches in width, and 1 1/2 inches in thickness. Its compact size and specific compatibility make it a reliable choice for HVAC system maintenance and repair.