Horstmann (Secure)

Horstmann (Secure) HRT4-B Digital Thermostat Installation Instructions

Horstmann (Secure) HRT4-B Digital Thermostat The HRT4-B is a battery-powered electronic room thermostat designed to provide optimum comfort with close…

2 years ago

Horstmann (Secure) C-Stat 11-M Programmable Thermostat Installation Instructions

Horstmann (Secure) C-Stat 11-M Programmable Thermostat  Mains Operated Programmable Room Thermostat Programmable room thermostats are widely recognized as one of…

2 years ago