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by BAB
Fri Dec 28, 2012 5:58 pm
Forum: Help and Advice
Topic: Thermostat Options for EWC-ST Series Control Panels
Replies: 84
Views: 264134

Re: Thermostat Options for EWC-ST Series Control Panels

I have the EWC-ST-2C controller and just took out the old mercury t-stat. I was planning on installing the Filtrete/3M 3M-30 but not quite as simple as I thought. My new t-stat has separate O and B terminals. However, reading through the tech bulletin for the ST-2E it appears as if the separate Rh a...