Williams Furnace Company 11A18 Observation Door Cover for Forsaire Direct Vent Furnaces
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DescriptionThe 11A18 observation door, also known as a 'peep hole cover assembly', is for use with Forsaire Counterflow Direct Vent Intermittent Pilot models 4007331 and 4007332.Replacement parts lists and exploded parts diagrams can be found under the "Manuals and Guides" tab. Please refer to the appropriate users guide for your furnace. Diagrams are also available in the user's guides for each furnace.
Manuals and Guides