Permanent RV part identity

Atwood 91028 Inner Tank with Heat Exchanger

Atwood / Dometic Part 91028

Atwood / Dometic 91028: Model-specific inner tank assembly incorporating the engine-coolant heat exchanger used by GCH applications. Review manufacturer model references and current supplier availability on RVPartScan.

Also called: heat exchanger tank, engine heat tank, GCH10A-4E inner tank

Manufacturer part referenceService assembly

Manufacturer model evidence

Models that reference this part number

Atwood / Dometic GCH10A-4E

Inner Tank with Heat Exchanger · diagram item NS

GCH10A-4E service references identify inner tank 91028. This is a model-defining difference from GC10A-4E, whose non-heat-exchanger inner tank is referenced as 91060.

Model reference source

Supplier evidence

Availability observations for 91028

Supplier availability is observational data. It can disappear or become stale without changing this permanent part identity.

No supplier listing is currently available to display. This does not remove the part from the manufacturer knowledge graph.

Confirm the part number, model and source documents before ordering. Check final price, condition and availability with the supplier.