Selection Guide

Precise • Quality • Reliable • Innovative
Performance Series
73257P
5/2, 7 Day or Non-Programmable Thermostat
Compatibility:
• Up to 3 Heat / 2 Cool Heat Pump Systems
• Up to 2 Heat / 2 Cool Conventional Systems
• 24 VAC Gas, Oil or Electric Systems
• Millivolt
• Hot Water Gravity & Zoned
Features:
• 4 Square Inch Display with
Bright Blue Backlight
• Auto or Manual Changeover
• Adjustable Temperature Limits
• Indoor and Outdoor Remote Sensing
• Separate User and Installer
Reset Buttons
• Programmable Fan with On or
Auto Modes
• Residential or Commercial Mode
• Auxiliary Heat Fossil Fuel Option
• Temporary Override Limits
• Hardwire or Battery Powered
• Multi-Level Keypad Lockout
• English / Spanish Packaging and
Instruction Card
• Hot Water Motor Valves (3-wire)
• Hot Water Solenoid Valves (2-wire)
• Air / Ground / Hydronic Exchanger
Accessories
• 6390 Remote Indoor Sensor
• 6490 Remote Outdoor Sensor
®
Dimensions 3.86” x 5.11” x 1.42”
Electric 24 Volt AC (18-30 Volt AC)
Rating 1 Amp Maximum Load per Terminal
5 Amp Total Maximum Load (All Terminals)
AC Power 18-30 Volt AC
DC Power 3.0 Volts DC
(2 AA Alkaline Batteries Included)
Control 45°F to 90°F
Range (7°C to 32°C)
Display 40°F to 99°F
Range (5°C to 37°C)
Accuracy +/-1°F (+/-.5°C)
Storage 14°F to 140°F
Temperature (-10°C to 60°C)
Operating 5% to 95% Relative Humidity
Humidity
Terminations G, Rc, Rh, W2, O/B/V3, Y1, Y2, W1/E/W3,
C, L, S1, S2
Specifi cations
Actual Size