EWC Controls Forum

Thanks for the quick response. I have a UZC4 Ultrazone Control board. This is running a York HE PV9C tubular Heat pump. I will try to contact you tomorrow. Here is my phone number 309.256.8012

I have a fairly new house that was built in 2005. We installed the EWC control panel for both upstairs and downstairs heating and cooling. The installers used White Rogers Thermostat model 1F95-377 series 90. No problems with anything up to about two weeks ago where I noticed the upstairs Tstat was ...