Empire Stove Traditional Hot Air Gravity Kit for St. Clair 3000 (WB2G)
An Optional Gravity Air Circulation Kit with Two Hot Air Outlets for the Empire Stove St. Clair 3000
The Empire Stove WB2G traditional hot air gravity kit adds two hot air outlet grilles above the St. Clair 3000 fireplace, moving heated air into the room by natural convection without a blower.
Key Features
- Two hot air outlets with grilles and frames, two 90° elbows, and six steel brackets with screws
- Uses the 8" gravity openings on top of the St. Clair 3000 and 6" openings on the sides
- 8" rigid 26-gauge galvanized ducting not included
- Both hot air outlet grilles must be installed
- Part number WB2G
Product Features
Convection Heat Without Electricity
Hot air rises from the fireplace air jacket through rigid ducting to the two grilles installed in the facing above the fireplace, as described in Appendix 4 of the St. Clair 3000 installation manual.
Framing with the Gravity Kit
Per the manual, framing touching the grilles must be non-combustible, with a minimum 8" between a grille and the combustible ceiling, 14" below a grille to a non-combustible stud, 15" between a grille and a non-combustible shelf, and 3" between the framing and the first stud.
Product Specifications
Compatibility
| Compatible Model |
Model Number |
Appliance Type |
| St. Clair 3000 |
WB30FP |
Wood Fireplace |
General
| Feature |
Specification |
| Part Number |
WB2G |
| Component Type |
Hot air gravity kit |
| Kit Contents |
2 hot air outlets (grilles and frames), 2 elbows, 6 brackets with screws |
| Requirement |
Optional |
| Not Included |
8" rigid 26-gauge galvanized ducting |
Manufacturer Notes
- Installing a forced air kit together with the gravity kit reduces the gravity kit’s efficiency, per the installation manual.
- Compatibility is as listed in the Empire Stove 2026 price sheet. Any installation must follow the instructions supplied with the component and the appliance installation manual.
About the Manufacturer
Who Is Empire Stove?
Empire Stove is the wood-burning stove, insert, and fireplace line of Empire Comfort Systems, Inc. of Belleville, Illinois. Its Gateway wood stoves, Archway wood inserts, and St. Clair wood fireplaces are made in North America and share a one-lever air control, a no-mess ash pan, and an air wash system designed for simple everyday operation.
Built to Last
Empire Stove appliances are constructed with thick 5/16" steel, lined with high-density firebricks, and fitted with a high heat ceramic baffle and high temperature ceramic glass, and they are backed by the Empire Limited Lifetime Warranty.
Certification and Support
Current Empire Stove wood-burning models meet the EPA 2020 emissions standard. Empire publishes installation and operation manuals, spec sheets, brochures, and test reports for each model, and supports owners through online product registration and its authorized dealer network.
Skip to content
