Add to Cart Quick view Honeywell Honeywell 221508A2 Resistor Board for Mod IV Honeywell 221508A2 Resistor Board for Mod IV Resistor board for use with Modutrol IV motors. One board can be configured to drive up to 6 motors in parallel from a series 90 controller, drive up to... MSRP: $189.40 Add to Cart Compare
