The Honeywell W8635A1006 Equipment Interface Module is a highly versatile equipment interface module for use with the Honeywell T8635L series of thermostats. This interface module allows your home's thermostat to communicate with your conventional gas, oil, or electric heater so you can control the levels of heating and cooling in your home. This module allows you to provide heating and cooling for up to 9 different rooms in your home, has LED indicator lights so you will always know which rooms are receiving heat, provides individual zone fan controls, and best of all, can be applied for up to 2 heating and 2 cooling systems. If you are looking for a useful and practical way to implement a Honeywell T8635L thermostat into your home and want an interface module that will keep you informed as well as provide you with complete and total control, the Honeywell W8635A1006 Equipment Interface Module is the perfect fit.
