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Nest Thermostat Not Getting Power

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FCYP2
FCYP2 Member Posts: 1
in Thermostats and Controls
I am trying to install a Nest thermostat in place of my Lux TX1500E Smart Temp Programmable Thermostat. The Nest is telling me the Rh isn't supplying enough power. I have Weil-Mclain WGO3 Oil Boiler with a Carlin 60200 Primary Control. The Carlin says it is 24 VAC and the 2 thermostat wires come directly from the TT on it. Is it even possible to install the Nest on this system? Do I need to have another transformer added? Any help would be greatly appreciated. Thanks.

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  • billtwocase
    billtwocase Member Posts: 2,385
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    seperate power source

    I would say yes
  • STEVEusaPA
    STEVEusaPA Member Posts: 6,505
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    is your thermostat wired directly

    to the carlin primary control? or to the aquastat?  If aquastat, which one is on your boiler.

    There was an error rendering this rich post.

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