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Connecting Taco Controls and Nest Thermostats

HeatingHelp
Administrator Posts: 692
Connecting Taco Controls and Nest Thermostats
Here are instruction sheets for Nest to Taco ZVC with 3-wire application, Nest to Taco ZVC with 2-wire application, Nest to Taco SR with 3-wire application, and Nest to Taco SR with 2-wire application.
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Comments
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On this thread: https://forum.heatinghelp.com/discussion/186002/connecting-taco-controls-and-nest-thermostats#latest
Dave H mentioned "We have also spoken with Nest recently in regards to wiring and they suggest using the resistor wiring as shown but they do suggest using a 220 ohm, 5 watt resistor instead of the 1,000 ohm, 0.5 watt resistor we supply with the controllers."0
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