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Relay Wiring

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zeroarctic
zeroarctic Member Posts: 1
in Thermostats and Controls
I recently had a radiant zone added to my existing baseboard system. The manifold came with a i-Link SP-81. The existing aquastat/controller is a Honeywell 8148a with Taco Zone Sentry valves. . The tech plans to wire the tt from the i-link to the tt on the 8148a . Is this proper as the tt from the zone valves is already connected?

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  • Tim McElwain
    Tim McElwain Member Posts: 4,621
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    Is the radiant zone

    on one of the Taco Zone Valves? Typically the zone valves are powered by the sensing control and the end switch on the zone valve brings on the relay which fires the burner and brings on the circulator. I am not completely aware of what the i -link SP-81 does?

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