I'm glad I found y'all. I have an old installation where I recently swapped out an RC80 with an RC2000. It's a second home situation where in the Winter the setpoints are low (45-50). It's a hot water base board system. The zone that has the RC2000 seems to be hovering around 51 and not going any lower. This could be due to many "new" factors in the house (insulation, new heating system), but I wanted to ask if this tstat will allow a setpoint of 45 say? The RC80 did. Perhaps it's due to the added logic (Anticipator, EEC, Min On/Off)?