Equipment Interface Module (EIM)|Equipment Interface Module works with T10+ Pro Smart thermostat models|Typical wiring of a heat pump system with up to four-stage heat and two-stage cool with one transformer.
Orders ship directly from national U.S. distribution centers, so a multi-item order may arrive in more than one shipment. Shipping is charged at checkout by order value. Bulky and freight items are priced separately.
Choosing a selection results in a full page refresh.
