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Updated over 7 years ago on . Most recent reply

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216
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Mark Smith
  • Schaghticoke, NY
57
Votes |
216
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Honeywell Thermostat Question

Mark Smith
  • Schaghticoke, NY
Posted

Hello all,

I'm closing on my second property tomorrow (woo!).  I got a head start on a few things, and I bought a couple of 7 day programmable thermostats; they are Honeywell RTH2510B thermostats.  The side of the box mentions some heating and cooling systems it is compatible with.  All I have is a boiler, there is no central AC or anything like that.  One of the items the box states is a 750mv heating system.  I don't know if my heating system is 750mv or 24v.  Should I be concerned that I might fry this new thermostat if it is setup for 750mv but I have a 24v system?  Or should I assume I probably have a 24v system, and that the box is simply stating that the thermostat will also work with low voltage 750mv systems?

Sorry if that was confusing!  Thank you for any advice.

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19
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Robert Stark
  • Investor
  • Holderness, NH
30
Votes |
19
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Robert Stark
  • Investor
  • Holderness, NH
Replied

Hey Mark,

You’re good to go with that t-stat. Your system is 24 volt, heat only and runs off two wires. Let me know if you have any more questions.

Good luck!

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