Time Delay Relay with Double-Pole, Double-Throw (DPDT) Switching. Use In Compressor-Run Air Conditioning, Heat Pump Systems and Heating-Cooling Systems. Delays Indoor Blower Shutoff After Compressor Has Shut Off. Eighty-Second Delay On Break. Combination Electronic Time Delay Board and R8222 Relay Saves Wiring Time. Molded Terminal Numbers and Circuit Diagram On Top Of Relay and Letter-Coded Terminals On Time Delay Board Provide Easy Identification For Wiring and System Checkout. Laminated Magnet Construction For High Efficiency. Reduces Stratification and Saves Energy.