With new construction and some retrofit, you definitely could use 'standard' TStats. But if you have existing Hi-Volt units, it can be a bear to retro an LV TStat as you need not only a 'Low-to-High volt' relay but also a transformer to power the Stat... It gets pretty ugly even in a 2-gang box, and a lot of these units are in a 1-gang box. It's still possible but not nice.? The NuHeat units would be great if their integration didn't suck!!
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Horizon supports 10k Ohm sensors now so that could be an Replacement option when install allows, though it would likely need to be remoted, as it is horizontal orientation and has the in-wall 'bump' that would definitely eliminate fitting in a gang box with a Tx and relay...
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Just hoping for a decent alternative...? (I should always be prepared for disappointment...)
