Look no further for your Honeywell thermostat subbase. The Q7300C-2004 taupe subbase matches your T7300 thermostat and is compatible with a heat pump. This unit is for use with 2 stage heating, 1 stage cooling systems, and the taupe color will match your Honeywell thermostatTHE Q7300C2004 INCLUDES TERMINALS FOR AN ECONOMIZER HOOKUP TOO.Make sure to read the reference guide to ensure your Honeywell subbase will fit your thermostat and order today!