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Taco pc705

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happydave
happydave Member Posts: 79
in Radiant Heating
Replacing a bad Erie injection pump control with a Taco pc705 control, question is the 4 wire yellow molex plug in is just for convenience if using new Taco relay right? I don’t have to use it? Thanks

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  • STEVEusaPA
    STEVEusaPA Member Posts: 6,506
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    Yes plugs into relay board, master/slave etc.
    steve

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