Check the listing for details. HONEYWELL CT30A HOME NON-PROGRAMMABLE HEAT ONLY THERMOSTAT NEW CT30A1005. Color: White, Condition: New. Listed at 18.98 USD. The Honeywell CT30A Home Non-Programmable Heat Only Thermostat is a wall-mounted, white rectangular thermostat with a 1.76-inch display. It is powered by a corded electric source with a low voltage of 24V. This thermostat features analog/mechanical control style and temperature sensor technology, making it compatible with a universal range of products. With a non-programmable design and a model manufactured in 2015, this Honeywell thermostat is the perfect choice for efficiently controlling and adjusting your heating system in your home.The Honeywell CT30A Home Non-Programmable Heat Only Thermostat is a wall-mounted, white rectangular thermostat with a 1.76-inch display. It is powered by a corded electric source with a low voltage of 24V. This thermostat features analog/mechanical control style and temperature sensor technology, making it compatible with a universal range of products. With a non-programmable design and a model manufactured in 2015, this Honeywell thermostat is the perfect choice for efficiently controlling and adjusting your heating system in your home.