Nest and other such thermostats, 2 wire system

451 Views 6 Replies 5 Participants Last post by More Power!, Feb 15, 2020

hotwired99

Discussion Starter · Feb 15, 2020

I have a traditional cold start boiler with a 2 wire system. I do have one internet thermostat, but it's a beast, ethernet cable, big module on the boiler, etc. and a hideous outdated app and website, so I'd like to go wi-fi and put "nest like" tstats throughout (I have 3 zones). I've heard that Nest tstats can "rob" power from the boiler (electricity) for charging its battery, and that this "robbing" can interfere with the firing of the boiler from time to time. I believe my electrician says we can fix this by running a separate "c" or "power" wire, which adds a little to the labor but not too onerous.

Does anyone know of some other alternative "simpler" solutions with other WiFi thermostats?

Thank you!

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hotwired99

Discussion Starter · #5 · Feb 15, 2020

Honestly, we only want a wifi tstat housewide because we plan to travel extensively and want to always be able to know in a jiffy what the house temp is, and like, to turn the heat back up when we're on our way home. Right now we have an ethernet wired tstat which is OK, but it's buggy and it's ONLY for the downstairs. So when we travel, we can go on an app and turn it back up to 72 from 60 or 65 but it's only that one zone, so it literally takes nearly 24 hours for our 2K SF colonial to heat up becuase the UPSTAIRS zone is still set for 60. So it would be nice to have that, that's all. Otherwise, what we have honestly is fine. We have decent "hand controlled" thermostats elsewhere and we heat our home almost 100% with woodstove, so again this is just a travel thing.

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