PECO Non-Programmable 3-Speed Fan Thermostat
PECO Non-Programmable 3-Speed Fan Thermostat
Item # TB155-048

The T155 series thermostat provides on/off control for low voltage and line voltage control of valves, relays and fan motors. Applications include 2-pipe and 4-pipe fan coil units, air handling units and heating and cooling applications.

Features and Benefits
  • Manual or automatic changeover models
  • Line voltage 3-speed fan control
  • Continuous or cycling fan operation (cycling fan operation requires additional relays)
  • Handles all supply voltages from 24 to 277VAC at 50/60 Hz (fan and system voltage must be the same)
  • UL, CE, CUL Listed
  • Hardwired
  • 1-year warranty
Product Specifications
2.75” x 4.50” x 1.00” (WHD)
Input Voltage
24VAC to 277VAC @ 50/60 Hz, full wave device
Terminal blocks
H/C damper relays and up to 3 fan relays based on model
Operating Temperature
32° to 130° F
Operating Humidity
0% to 95%, non-condensing
Storage Temperature
-30° to 130° F
Control Range
50° to 90° F


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