Daikin McQuay 074308952 SPEELTROL BOX C/R2 P-66 ****This kit is no longer available from the Factory. VariableFrequency Drive (VFD) head pressurecontrol solutions are available to replace this kit. There are cost and control benefits to using a McQuay MD VFD headpressure control solution. Benefits include fully customizable operation, simplified wiring, and possiblere-use of fan motor wiring and existing fan motor. Please Contact ID for more information and to request an Engineer to review your application requirements.