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Programmable Thermostats Product Comparison Chart

  P721UT P722U P621U P521U PSP722E PSPA711 P711 P711V P721UT PSP511
Specifications & Operational Features P721UT P722U P621U P521U PSP722E PSPA711 P711 P711V P721 PSP511LC
Programmable   X X X X X X X X X X
7 Day Programming (Each day can be different) X X     X X X X X  
5-1-1 Day Programming (Weekdays, Sat, & Sun can be different)     X              
5-2 Day Programming (Weekdays and Weekends can be different)       X     X X X X
Programmable or Non-Programmable Setting Option X X X X     X X X  
Orientation-Horizontal (H), or Vertical (V), or Square (S) H H H H H H H V H H
Gas, Oil (Furnace or Boiler) X X X X X X X X X X
Electric Forced Air Furnace X X X X X X X X X X
Heat Pumps With Auxiliary and Emergency Heat X X X X X          
Heat Pumps Without Auxiliary and Emergency Heat X X X X X X X X X X
Millivolt Systems X X X X X X X X X X
2 Wire Hydronic Systems (Zone Valves) X X X X X X X X X X
3 Wire Hydronic Systems (Zone Valves) X X X X            
1 Cool Only X X X X X X X X X X
1 Heat Only X X X X X X X X X X
1 Heat / 1 Cool X X X X X X X X X X
2 Heat / 1 Cool X X X X X       X  
2 Heat /2 Cool (Non Heat Pump)   X     X          
3 Heat / 2 Cool         X          
Special Program    X                
Title 24-Resdential ( R), or Commercial (C) R R R R R R R R R R
System or Battery Powered Backup X X X X X X X X X X
Battery Powered Only                    
 
Comfort and Convenience Features P721UT P722U P621U P521U PSP722E PSPA711 P711 P711V P721 PSP511LC
Auto Changeover         X X        
Preprogrammed X X X X X X X X X X
Speed Dial / Speed Slide Programming   X X X X X       X
Touch Screen Programming X                  
Periods Per Day  2 / 4 2 / 4 2 / 4 2 / 4 4 4 2 / 4 2 / 4 2 / 4 4
Adjustable Swing X X X X X X X X X X
Lighted Display X X X X X X X X X X
F/C Selectable X X X X X X X X X X
12/24 Hour Clock X X X X X X       X
Smart Recovery Selectable X X X X X X        
Programming Copy Feature X X     X X X X X  
Low Battery Indicator X X X X X X X X X X
Battery Free Memory Storage X X X X X X X X X X
Energy Usage Monitor X X     X X        
Filter Monitor and Indicator X X X   X X       X
Daylight Savings Time Button         X          
Manual Temperature Hold X X X X X X X X X X
Temporary Temperature Override X X X X X X X X X X
Adjustable Vacation Hold X X X   X          
Adjustable Temperature Stops X X X X X   X X X  
Programmable Fan Control         X X        
Keypad Lock: Code (C) or Fixed (F) C C F F C F F F F F
Short Cycle Protection: (2 / 5) minutes, or Fixed (F) duration 2 / 5 2 / 5 2 / 5 2 / 5 2 / 5 2 / 5 2 / 5 2 / 5 2 / 5 F
User Temperature Calibration x x x X X X X X X X
 

 

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