This thermostat can be used with GWT-25, GWT-35, GWT-50 Gravity Vented Wall Furnaces and is one of several optional thermostats which can be used with these units. The GWT-25, GWT-35, and GWT-50 furnaces do not come with thermostats.
It can also be used with the 3588X, 5088X and 7088X Floor Furnaces.
It is also designed for White Mountain Hearth Heritage Cast Iron Stoves DVP-30 and VFP-30 as well as White Mountain Hearth Slope Glaze Burners.