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Furnace Draft Dampers
Also known as barometric dampers, these dampers improve furnace performance by automatically opening and closing to maintain a consistent airflow despite changing environmental conditions.
Single-acting dampers open inward to prevent strong drafts from pulling too much heat into the chimney vent.
Double-acting dampers open both inward and outward to relieve pressure caused by obstructions and downdrafts.
Steel | ||||||
|---|---|---|---|---|---|---|
| Draft Damper Type | For Duct Trade Size | Gauge | For System Type | Connection Type | Each | |
| Single Acting | 5, 6, 7 | 26 | Coal, Oil | Press Fit | 0000000 | 0000000 |
| Single Acting | 7, 8, 9 | 24 | Coal, Oil | Press Fit | 0000000 | 000000 |
| Double Acting | 5, 6 | 26 | Natural Gas, Propane | Press Fit | 0000000 | 000000 |
| Double Acting | 7, 8 | 26 | Natural Gas, Propane | Press Fit | 0000000 | 000000 |
| Single Acting, Double Acting | 9, 10 | 24 | Coal, Natural Gas, Oil, Propane | Press Fit | 0000000 | 000000 |
| Single Acting, Double Acting | 11, 12 | 24 | Coal, Natural Gas, Oil, Propane | Press Fit | 0000000 | 000000 |