Image for IO Expansion Board Valves from Hayward Residential and Commercial Pool Products
IO Expansion Board Valves Item #HLIOEXPAND
Product Description

I/O expansion board plugs directly into base unit and provides 4 additional valves actuating relays, 4 additional low-voltage relays and 4 additional temperature sensors.

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Ctn. Qty.
Ctn. Weight
1.0 lbs.


HLIOEXPAND   IO Expansion Board Valves Replacement Parts