Pentair 520546 | EasyTouch Wireless Controller Kit For 4 Circuit System, Including Tranceiver Best Seller Per the manual included in

Per the manual included in the box for the 520736 switch

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The Pentair | 475612 ETI 400 Condensate Neutralizer Kit helps to neutralize the condensate that the heater builds up

Diameter: 7-15/16"

O-ring used in the Assembly

Pentair 520546 | EasyTouch Wireless Controller Kit For 4 Circuit System, Including Tranceiver Best Seller Per the manual included inDiscontinued Item Checkout Our Pool Automation Products 4 Circuit system wireless controller replacement kit Fits Pentair EasyTouch pool and spa automatic control system Including transceiver Measures 22 1 2 inch length by 5 3 4 inch height by 20 1 2 inch width