Check the listing for details. Honeywell RTH111B Vertical Non-programable Low Volt Thermostat New Open Box. Condition: Open box. Listed at 24.99 USD. This Honeywell RTH111B Vertical Non-programable Low Volt Thermostat is a must-have for your home heating and cooling needs. With its easy-to-use features, you can effortlessly control the temperature in your home without any hassle. Its sleek design and durable construction make it a perfect addition to your home decor. This thermostat is compatible with most heating and cooling systems and is ideal for use in any room of your home. Its user-friendly interface and simple programming make it a great choice for anyone looking for a reliable and efficient thermostat. Whether you're looking to keep your home warm in the winter or cool in the summer, this Honeywell RTH111B Vertical Non-programable Low Volt Thermostat is the perfect choice for you. E