Jackson Systems

LuxPro P521U 5+2 Day Dual-Powered Programmable Thermostat, 2H/1C

BRAND: LuxPro SKU: P521U


MSRP: $39.09
You save 15%

5+2 Day Dual-Powered Programmable Thermostat, 2H/1C


On Backorder


Dual powered, low voltage electronic setback heating and cooling thermostat. This 1 or 2-Heat/1-Cool, 5/2-day programmable thermostat allows weekdays and weekends to br programmed separately and features user selectable periods per day (2 or 4).


  • 1 or 2 Heat/1 Cool
  • 5/2 day programming
  • Separate programs for weekdays and weekends
  • User-selectable periods per day (2 or 4)
  • Exclusive LUX® Speed Slide™ for easy programming
  • Dual powered (battery and/or 24-volt system powered
  • Battery-free memory storage
  • Easily reprogrammed with LUX Programming Dial
  • LuxLight® EL (Electro-Luminescent) lighted display
  • Programmable air filter life timer
  • Keypad lockout
  • Manual temperature hold
  • Temporary temperature override
  • Adjustable temperature differential/cycle rate
  • Adjustable 2nd heat stage Offset setting
  • User temperature calibration
  • Adjustable heat/cool set temperature limit stops
  • Smart receovery
  • F/C temperature display
  • 12/24 hour clock display
  • 5/2-minute selectable time delay for equipment protection

Compatible With:

  • 1 or 2 stage heat / 1 stage cool: gas, oil or electric systems
  • 1 or 2 stage heat / 1 stage cool: heat pump systems
  • 3-wire hydronic (hot water) zone valves
  • Gas Millivolt heaters

Non Compatible With:

  • Multi-stage gas or oil furnacess

PSSH521 Detailed Specifications

  • Dimensions: 5.375" wide x 3.375" tall x 1.125" deep.
  • Electrical Ratings: 1-1/2 AMPS at 24v AC. 2 "AA" batteries included.
  • Temperature Differential: + or – 1o factory preset differential adjustable from 1/4oF to 2-1/4oF.
  • Temperature Control Range: 45oF to 90oF (7oC to 32oC) – Celsius and 12/24 hour time capable.
  • Compatibilities: 1 or 2 stage, gas, eletric, oil and heat pumps with 1 stage cooling. 3-wire hydronic zone valves. Gas Millivolt heaters. 24 Vac systems.
  • Terminals: O, B, G, Y, RC, RH, W1, A, W2, C.

Features and Benefits

  • Up to 2H/1C conventional and heat pump systems, 3-wire hydronic zone valves, millivolt compatible
  • 5/2 day programmable
  • Large display with backlight
  • Speed Slide™ for easy programming
  • Keyboard lockout
  • Manual temperature hold
  • Adjustable heating and cooling limits
  • Programmable air filter monitor
  • Adjustable temperature differential and 2nd stage heat offset setting
  • Battery-free memory storage
  • Hardwired or battery powered
  • 3-year warranty

Additional information

Terminal Designations

, , , , ,


Auto Changeover


Power Type




UPC 021079125210
Imprinting Available Yes


There are no reviews yet.

Be the first to review “LuxPro P521U 5+2 Day Dual-Powered Programmable Thermostat, 2H/1C”