Here are the diagrams and repair parts for Official York 1NP0431A furnace/heater, as well as links to manuals and error code tables, if available.
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#4
All parts diagram
Part #025-29768-000
The manufacturer no longer makes this part, and there's no substitute part
#5
All parts diagram
Part #025-25463-000
The manufacturer no longer makes this part, and there's no substitute part
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