Hello Craig. According to the manufacturer the Waterway Power Defender 270 Variable Speed Pump model PD-VSC270 will communicate with the Pentair EasyTouch model PL4. The V-Green Automation Adapter Kit (Gray) 2517501-001 (2517501-002 is Black) is required. Unfortunately, the Adapter Kit is not currently in stock. V-Green Automation Adapter Kit - 2517501-001
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