EWC Controls Forum

Which board has two stage capability for a two stage heatpump with backup electric? Thanks

I called and got my answer, thanks.

Can a barometric bypass damper with hand damper set to desired static psi be used on a variable speed blower or is the spd type or electronic recommended?

I read that you will have some videos coming out, when do you expect it to happen? I am a licensed contractor and like your products but enjoying learning all I can.

I have a question that another member had. If the ncm300 with heatpump has one tstat with the o connected on a three zone system does the other two stats need an o wire connected? I don’t want visitors running heat while I am in cooling mode. Also I believe I read that the g doesn’t need to be con ...