Honeywell YTHX9421R5127WW Prestige IAQ Redlink Thermostat Kit

Honeywell YTHX9421R5127WW Prestige IAQ Redlink Thermostat Kit 2-Wire Smart Schedule – programs in seconds for any lifestyle Patented interview based programming and installer setup. RedLINKTM wireless communication. Operating temperature range: 0 to 48.9 掳C 2 wire high definition color touch screen thermostat, 7 day programmable & selectable. Controls up to 4-H/2-C in a heat pump system & up to 3-H and 2-C conventional.