chopedogg88 Posted December 28, 2023 Share Posted December 28, 2023 Anyone know if a C4-THERM would work to control a boiler-based radiant floor heat with 2 wires? See attached picture of current thermostat/wiring- Quote Link to comment Share on other sites More sharing options...
lippavisual Posted December 28, 2023 Share Posted December 28, 2023 Yes, same as baseboard heating that uses a boiler. Quote Link to comment Share on other sites More sharing options...
chopedogg88 Posted December 28, 2023 Author Share Posted December 28, 2023 Okay thanks. Doesn't look like there is a common wire here for 24v power though? Quote Link to comment Share on other sites More sharing options...
RAV Posted December 28, 2023 Share Posted December 28, 2023 You've got at least 2 extra conductors in the wall. Should be able to re configure wiring at the boiler to provide the common from the panel or transformer. Quote Link to comment Share on other sites More sharing options...
lippavisual Posted December 29, 2023 Share Posted December 29, 2023 Or use the wiring at the Tstat location to install a remote sensor. That’s what I do around my area. Install the stats next to the boiler and supply a separate 24v power supply to keep them happy. Quote Link to comment Share on other sites More sharing options...
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