Balboa VS510SZ Expander Circuit Board For Pump 2, 53544

The Balboa expander circuit board part# 53544 fits the Balboa VS510SZ controller and select EL2001 M3 Systems by Balboa. This is an add-on expansion board designed to run a second single-speed pump. Also referred to as the mini pump 2 board, this balboa expander board measures 3-1/8" x 1-5/8" and functions as a single relay pump 2 extension circuit board. The pump 2 expander board is located and mounted on top of the heater on M3 systems and the Balboa VS510SZ with two pumps controls.

Returns:

Hot Tub circuit boards are non-returnable items as they cannot be resold. All the replacement circuit boards we sell are factory-new, factory-tested and have never been installed before. For further information, please refer to our return policy. All circuit boards come with the original manufacturer's warranty.

Replacement Balboa circuit boards should not be purchased by appearance, always match the chip and/or manufacturer part number. Many Balboa circuits boards look alike but are incompatible with circuit boards or topside controls