Nov 12, 2006 #1 E edward_elat Newbie level 1 Joined Nov 9, 2006 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,284 ds1821 DS1821 Thermostat Programmer https://mselaf.page.tl/DS1821Thermostat-Programmer.htm