![VL200 55472 VL200 55472](https://cdn11.bigcommerce.com/s-whbac/images/stencil/300x300/products/1640/4078/davidaquacadepools.ca-1615498707_VL200_Clear__25211.1615817101.jpg?c=2)
The Balboa PC Expander Board for the VS510Z series is used fora second 1-speed pump output ( P2 ). The Mini PC Board mounts horizontally on the heater manifold inside the spa pac below the main circuit board. Functions as a single pump relay.
I receIved fast and a good shape.