
Honeywell
Honeywell Pro Programmable 2H 1C Thermostat TH4210D1005
Honeywell Pro Programmable 2H/1C Thermostat TH4210D1005 The PRO series provides programmable thermostats for 24 Vac conventional and heat pump systems or 750 mV heating systems. If used as directed, programmable thermostats