AutoPilot Pool Pilot Digital Relay Kit - APK0004

Sale price$29.99
In stock


  • 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 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.
  • Wiring diagram is included.
  • View & Download Wiring Diagram (PDF)

As an authorized AutoPilot Pool Pilot dealer AutoPilot Pool Pilot replacement parts purchased from DO include the manufacturer's warranty.

Replacement Cells: Replacement cells installed on single-family residdential pools are covered by the 2 year manufacturer's warranty. The manufacturer's warranty covers defects of the cell and damage caused by cell cords when a new authentic AutoPilot Pool Pilot cell cord is purchased with the replacement cell. The manufacturer's warranty policy states at the cell cord MUST be replaced with a new cell cord when the cell is replaced. - Cells installed on multi-family or commercial pools are covered by a 1 year manufacturer's warranty.

CELL CORD REPLACEMENT & WARRANTY POLICY: It is very important to replace the cell cord when replacing the cell. Replacing the cell cord is very easy to do. Not replacing the cell cord can cause damage to the cell and/or AutoPilot Pool Pilot control unit. NOT replacing the cell cord may void the manufacturer's cell warranty. The cell cord must be replaced with an AutoPilot manufactured cell cord. Some resellers use aftermarket generic cords. We ONLY sell AutoPilot manufactured cell cords. Replace your cell cord to prevent damage to your cell!

The cell cord needed will depend on which AutoPilot Pool Pilot control box is installed. The cell itself does NOT determine which cord is needed. 

Customer Reviews

No reviews yet

Payment & Security

American Express Apple Pay Diners Club Discover Facebook Pay Google Pay Mastercard PayPal Shop Pay Venmo Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.