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LuxPro P621U Universal Programmable Thermostat

LuxPro P621U Universal Programmable Thermostat

About This Thermostat

MFG: LuxPro
MFG#: P621U
Our#: 177800
Programmable: Yes (5+1+1 day)
Stages: 2H & 1C
System Compatibility: Single Stage, Millivolt, Multi-Stage, Heat Pump
Power Options: Battery, 24 VAC Hardwire
Heat/Cool Changeover: Manual
Programmable Fan: No
Temperature Limits: Yes
Keypad Lockout: Yes
Backlight: Yes
Vacation Hold: Yes

LuxPro P621U Universal Programmable Thermostat

A full-function, sleek thermostat at the right price, the LuxPro P621U "Universal" thermostat will control most single stage equipment as well as heat pumps and multistage systems up to 2 heat / 1 cool.


  • Universal compatibility for all system types except electric baseboard heat
  • A program for weekdays, Saturday & Sunday can be different
  • User selectable programmable or non-programmable operation
  • Exclusive Lux┬« Speed Slide™ for easy programming
  • User selectable periods per day (2 or 4)
  • Graphical filter monitor
  • Keypad lockout for unauthorized users
  • Adjustable heat/cool temperature limits
  • Adjustable vacation hold (for 1-30 days)
  • Smart recovery - enables the set temperature to be reached by the programmed time
  • Temporary temperature override
  • Large lighted one touch display

For Use With:
Heating and cooling systems, including single and multi-stage heat pumps
2 stage heating and 1 stage cooling

Not for Use With:
120/240 VAC Line Voltage Systems
Dual Fuel Systems

Terminals: O,B, G, Y, RC, RH, W1, A, W2, C
Temperature Control Range: 45 to 90 Degrees F
Dimensions: 5.375" X 3.375" X 1.125"