TB155 Thermostat TB155 PECO Auto Changeover Line Voltage Fan Coil Thermostat TB155 auto changeover fan coil thermostat is designed for use in HVAC systems with 2/4 pipe fan coil applications. It handles automatic internal switching between heating and cooling, and has advanced self-configuring circuitry allowing contractors to install it directly to input voltages from 24 to 277 VAC, 50 or 60 Hz. ON-OFF System Switch 3-speed fan switch Accepts 24 to 277 VAC Connections: Wire Leads Fan Continuous
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