Question: How do I change the batter in an EP210 Two
channel programmer?
Answer: EP210 two channel programmers have a built
in back up battery, this is not a user replaceable part.
Question: Does the EP210 have a frost mode function?
Answer: EP210 two channel programmers don’t have a
frost mode. Where you need to incorporate
this function then use a thermostat which has an option for Frost enabled.