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can someone tell me how to connect the two red wires to the switching relay

pooteo Member Posts: 19
a single zone taco switching relay with 4 wire uponor actuators. using the 2 wire thermostats as end switches.
i can't figure out how to connect this setup to the relay for the circulator pump.
Any help would be greatly appreciated. I've already burnt out one transformer hooking it up wrong.