Honeywell Q5020A1003 is an electronic, modulating line voltage when used with the proper accessories. It’s a dependable and reliable tool to ensure comfort in your home and business. Honeywell Q5020A1003 has been designed to offer maximum temperature control accuracy and efficiency thanks to its electronically operated, two-position operation with master/satellite configuration. With a user-friendly diagnostic display, this product ensures easy installation and maintenance – making it the perfect choice for any busy lifestyle. Honeywell Q5020A1003 brings convenience and ease of use through quick system setup and fast service times. This reliable tool will keep you comfortable and reduce energy costs, making it the ideal choice for any commercial or residential setting.