Thermostats
Compare 1 Thermostats parts from manufacturers including Honeywell, with live price tracking and alerts.
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Filter in catalog →Frequently asked questions
What voltage does the T678A-1445 operate at?
The T678A-1445 operates at 24V with a maximum current draw of 900mA.
What applications is this thermostat designed for?
It is designed for HVAC and boiler control in commercial and residential building automation systems.
Is this a modulating or on-off thermostat?
This is a modulating (proportional) thermostat, providing continuous adjustment rather than simple on-off control.
What is the product status of T678A-1445?
This is a legacy product. For new installations, consult Honeywell's current thermostat lineup.
What systems is it compatible with?
The T678A-1445 is compatible with Honeywell HVAC systems, boiler controls, and building automation platforms.