The PSP1100 is a simple non-programmable 1 Heat / 1 Cool thermostat designed for basic and reliable temperature control. It is compatible with gas, electric, and heat pump systems (no AUX heat), offering straightforward operation and dependable performance.

• 1 Heat / 1 Cool compatibility for gas, electric, and heat pump systems
• Non-programmable design for simple, easy operation
• Compatible with 2, 3, or 4 wire systems (battery or system powered)
• Large easy-to-read display with Fahrenheit/Celsius options
• Bi-color LED indicator for heating and cooling status
• Front-access battery compartment for easy maintenance