P521U
Programmable / Non-Programmable
Thermostat
Feature rich programmable/non-programmable all-in-one thermostat
5/2-day
Programmable • Non-Programmable
Product Highlights
✓ All In-One Programmable /
Non-Programmable
✓ Universal heat pump
& conventional heat / cool
✓ Dual power
✓ 3 year warranty
✓ Adjustable 2nd stage heat offset
Product Features
Installation
Compatible With
Easy installation
Universal compatibility for conventional heat & A/C
Universal compatibility for heat pumps with up to
2-stage heat/1 stage cool (including AUX/EMERG heat)
2 and 3-wire hydronic systems (hot water baseboard &
radiator)
Gas Millivolt heaters (wall heaters / furnace & gas
fireplaces)
Program 5/2-day or non-programmable
Easy-view back light
Optional wall plate model #WP567
User option: 2 or 4 periods per day
Keypad lock for unauthorized use
Temporary override and manual hold
Dual powered (2AA) Alkaline Batteries (included)
Temporary compressor protection bypass
5/2 minute selectable time delay for equipment
protection
Not Compatible With
Line voltage systems (120/240 VAC)
User temperature calibration
Display option: fahrenheit or celsius temperature
Adjustable heating and cooling limits
Speed Slide® for easy programming
Air filter monitor
Selectable smart recovery
AM/PM clock or military time option
Adjustable temperature differential/swing
6000 Commerce Parkway, Ste I
I
Mt. Laurel, NJ 08054
I
P: 856.234.7905
I
F: 856.234.7825
LuxProProducts.com