STI · STI-HTR045T

STI STI-HTR045T Radiant Heater with Thermostat

9VDC radiant heater with thermostat for cold-weather access control

• Runs on 9VDC to integrate directly with existing access control power supplies.
• Integrated thermostat auto-regulates heat output — no field calibration required.
• Localized radiant output protects readers, strikes, and latches in unheated enclosures.

STI · STI-HTR200T

STI STI-HTR200T Radiant Heater with Thermostat

• Radiant heating element keeps reader optics above dew point, preventing condensation lockouts.
• Integrated thermostat eliminates external temperature control modules, reducing wiring complexity.
• Runs on 9VDC, fitting directly into standard commercial access control power supplies.

STI · STI-HTR060T

STI STI-HTR060T Radiant Heater with Thermostat 60W

• 60W radiant heat at 9VDC prevents frost-related strike failures in unheated spaces.
• Integrated thermostat cycles heating autonomously—no external sensor or control logic needed.
• Designed for 9VDC strike power supplies; verify supply voltage before installation.

STI · STI-HTR150T

STI STI-HTR150T Radiant Heater with Thermostat 150W

150W radiant heater with thermostat for outdoor access control

• Runs on 9VDC, wiring directly into existing security system power supplies.
• Integrated thermostat auto-cycles heat to protect locks and strikes in sub-freezing temps.
• Compact form fits enclosures as shallow as 2–3 inches, easing retrofit installations.

STI · STI-HTR030T

STI STI-HTR030T Mini-Radiant Heater with Thermostat

• Mini radiant heater with thermostat for outdoor access housings
• Prevents frost and condensation on outdoor lock and reader hardware
• 9VDC operation - drops into standard low-voltage access power buses