For use as an upgrade: If you have a Pool Pilot Digital DIG-220 controller that does not have a pump timer relay installed this kit will allow you to easily install the relay. The kit includes the relay wires. For use an a replacement: If you have a Pool Pilot Digital DIG-220 controller with a failed relay you can easily replace your current relay with this kit. Part #: APK0004 (This kit includes part # 15531 pump relay). Condition: Brand New Original AutoPilot Pool Pilot Replacement Part Manufacturer: AutoPilot Pool Pilot Manufacturer's Warranty: 1 Year Compatible with: AutoPilot Pool Pilot Digital (DIG-220) Controllers Operation: Operation with a 1 speed pump: The STK0004 relay will allow you power on and power off your primary pool pump based on your desired run time. This can programmed as 1 or 2 cycles per 24 hour period. Operation with a 2 speed pump: When used with a 2 speed pump the STK0004 relay will never completely power down the pump. Instead it will power the high speed aspect of the pump during your desired pump run time and instead of completely power the pump off it will run at low speed for the rest of the 24 hour period. Operation with a variable speed pump: The STK0004 relay is not compatible with controlling variable speed pumps. This part is not needed as variable speed pumps have their own controller built-in. Installation: Wiring diagram is included. View & Download Wiring Diagram (PDF)
