![Lennox 21J94 Flue Adapter Boot specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-21j94-specs.png?v=1794100230&width=1445)
The Lennox 21J94 is a flue adapter boot used to connect sections of venting on furnace or heating equipment, helping direct combustion byproducts safely out of the unit. This is a genuine Lennox replacement part. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 21J94 |
|---|---|
| Brand | Lennox |
| Type | Flue Adapter Boot |