Honeywell RTH221B1039 1-Week Programmable Thermostat Summer10 Type 1 guard

Type 1 guard

1-1/4" opening width

offer a durable vinyl shaft and trouble free operation

Blade types/sizes: PH0 + PH000 Phillips

1/2" MIP x 3/4" hose connection

Honeywell RTH221B1039 1-Week Programmable Thermostat Summer10 Type 1 guardThe 1 Week Programmable Thermostat is easy to use and compatible with low volt heating cooling system, including millivolt and single stage heat pumps without auxiliary heat. It features simple programming. Just program the entire week. If necessary, you can also program up to four periods per day like sleep, wake, leave and return. Simple programming (one program for entire week, plus four periods per day) Easy to use Precise temperature control