Hamilton Home Products Combustion Base CB421 – 21" Furnace Width

Made of a variety of high quality materials for effective filtering and long lasting durability. For use with all heat pump systems including fossil fuel furnace applications. 24V digital programmable thermostats provide 5 day/2 day programmable settings, digital accuracy and energy savings without requiring decorating touch-ups. Low-profile design covers footprint of most common mechanical thermostats used today. Provides battery backup. Compatible with White-Rogers heating and cooling systems. Includes 2 “AAA” Batteries. Easy to install. Must be installed by a licensed contractor. Color finish is White. Size is 5-1/8″ W x 1-1/8″ D x 3-3/4″ H.

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