Model TT-N-421 Heat Pump 2 Heat, 1 Cool Non-programmable

This model features: •Dual Powered – Hardwired or Battery •Large Display with Bright Blue Backlight •Adjustable Temperature Set Point Limits •Non-Volatile Memory Retains User Settings •Easy Access Front Battery Door •Separate O & B Terminals •Compressor Short Cycle Protection •Adjustable 1st and 2nd Stage Temperature Differential •Auxiliary Heat Indicator •ESD Guard™ Electronic Circuitry •Front Access Reset Button •F° / C° Switch •Mount to Horizontal Box •Separate Heating and Cooling Set Point Temperatures