Pump Sharing Relay (2 units 1 flow center)

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Pump Sharing Relay for 2 Heat Pumps on 1 Flow Center

The Geo-Flo pump sharing relay allows two separate systems to control a single pumping system such as
a flow center or hydronic pump(s). Whenever either of the two sets of 24VAC terminals receives a
24VAC signal the relay (RY1 or RY2) switches 240 VAC power from the source to the pump(s). The board
is clearly labeled with 24 VAC, 240V IN, and 240 V OUT for ease of installation.

Pump Sharing Relay Wiring Diagram