Resideo TH105PLUS Programmable Thermostat 321142-301 s internal housing before ordering

s internal housing before ordering

specifically in applications like air handling units

ensure a clean seal against the heat exchanger face to prevent flue gas leakage

and differential pressure transmitters

Always verify your current blower wheel orientation before installation to ensure proper airflow direction

Resideo TH105PLUS Programmable Thermostat 321142-301 s internal housing before orderingThe Resideo TH105PLUS is a high performance line voltage programmable thermostat purposefully engineered for precise control of electric baseboard heaters, convectors, and fan forced heating systems. Operating on a 120 240 Vac supply, this unit features advanced Triac switching technology, which provides 100% silent operation by eliminating the mechanical clicking common in traditional relay based models. Industrial grade Triac for electric heat