The Programmable Thermostat w/backlight offers all that digital thermostats do, plus they can be programmed to automatically adjust your home's temperature based on your schedule and lifestyle. If you're looking for total home comfort and to save as much as 18% on your energy bill then this type of thermostat would be great for you. Battery or common powered, low voltage electronic setback heating and cooling thermostat with sealed relay contacts.

Pre-programmed with four adjustable heating and cooling periods for weekdays. Preprogrammed with four adjustable heating programs and four adjustable cooling programs for weekends.

Compatible with most single stage 24v gas, oil, electric heating and air conditioning systems including single stage heat pumps, 2 wire hydronic systems, Millivolt systems, Hydronic air handlers.
Non Compatible with Multi-stage heat pumps, Multi-stage gas or oil furnaces 3 wire hydronic systems Line voltage systems (without transformer)

PSP511LC- 5 and 2 Programming with Light
Features:
•Energy Star certified
•Separate programs for weekdays and weekends
•Preprogrammed - up to 4 programs per day
•Separate programs for heating and cooling
•Either system powered with battery backup or battery powered
•Separate weekday and weekend programming
•Easily reprogrammed with LUX Programming Dial
•Large Liquid crystal display
•5 or 2 minute air conditioning compressor delay
•Temporary and constant temperature override
•Total isolation between system power and thermostat

Dimensions: 4-1/2" wide x 3-1/4" tall x 1-1/4" deep.
Electrical Ratings- 1-1/2 AMPS at 24v AC. Requires 2 AA batteries (included).
Temperature Differential- + or - 1o factory preset differential adjustable from 1/4oF to 2-1/4oF.
Temperature Control Range- 45°F to 90°F (7°C to 32°C) - Celsius and 12/24 hour time capable.
Compatibilities- 2-5 wire forced air systems, 2 wire hydronic systems, and hydronic air handling systems. Terminals G, Y, W, RH, RC. Solid pin connectors. Allow usage with both 24v and millivolt equipment.
Program Settings- 4 preset programs per day heating and cooling. All may be easily reprogrammed in 10 and 15 minute increments with LUX Programming Dial.
Circuit Protection- Circuit protection is built-in, no isolation relays required.
Compressor Protection- Built-in 5 minute time delay.

Product Specifications:
Stages 1 H / 1 C
Power Battery or Hardwire
Program 5 + 2
Changeover Manual
Backlight Yes
Remote 0 In / 0 Out
Filter Mon. No

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Click Here For Installation Guide

Optional Wall Plate
Decorative wall plate is available for thermostat. 6-1/2"W x 4-3/4"H