
Black Double Wall Increaser / Reducer
Double Wall Increasers and Reducers allow you to adapt to your chimney pipe diameter of choice. We offer a large selection of pipe Increasers and Reducers. Install with male end pointing downward. Compatible with our black stove pipe along with Ventis, Champion, and Nexvent
Measurement Charts:
Double Wall Increaser

| Wall Increaser Size | A | B | C | D | YY |
|---|---|---|---|---|---|
| 5β Male to 6β Female | 5β | 5.75β | 6β | 7β | 5β |
| 6β Male to 7β Female | 6β | 6.75β | 7β | 8β | 5β |
| 6β Male to 8β Female | 6β | 6.75β | 8β | 9β | 5β |
| 7β Male to 8β Female | 7β | 7.75β | 8β | 9β | 5β |
Double Wall Reducer

| Wall Reducer Size | A | B | C | D | YY |
|---|---|---|---|---|---|
| 7β Male to 6β Female | 7β | 8β | 6β | 7β | 5β |
| 8β Male to 6β Female | 8β | 9β | 6β | 8β | 5β |
| 8β Male to 7β Female | 8β | 9β | 7β | 8β | 5β |
*Due to many variables beyond our control, the installer should check actual parts for final dimensions.
Original: $138.99
-70%$138.99
$41.70More Images

Black Double Wall Increaser / Reducer
Double Wall Increasers and Reducers allow you to adapt to your chimney pipe diameter of choice. We offer a large selection of pipe Increasers and Reducers. Install with male end pointing downward. Compatible with our black stove pipe along with Ventis, Champion, and Nexvent
Measurement Charts:
Double Wall Increaser

| Wall Increaser Size | A | B | C | D | YY |
|---|---|---|---|---|---|
| 5β Male to 6β Female | 5β | 5.75β | 6β | 7β | 5β |
| 6β Male to 7β Female | 6β | 6.75β | 7β | 8β | 5β |
| 6β Male to 8β Female | 6β | 6.75β | 8β | 9β | 5β |
| 7β Male to 8β Female | 7β | 7.75β | 8β | 9β | 5β |
Double Wall Reducer

| Wall Reducer Size | A | B | C | D | YY |
|---|---|---|---|---|---|
| 7β Male to 6β Female | 7β | 8β | 6β | 7β | 5β |
| 8β Male to 6β Female | 8β | 9β | 6β | 8β | 5β |
| 8β Male to 7β Female | 8β | 9β | 7β | 8β | 5β |
*Due to many variables beyond our control, the installer should check actual parts for final dimensions.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Double Wall Increasers and Reducers allow you to adapt to your chimney pipe diameter of choice. We offer a large selection of pipe Increasers and Reducers. Install with male end pointing downward. Compatible with our black stove pipe along with Ventis, Champion, and Nexvent
Measurement Charts:
Double Wall Increaser

| Wall Increaser Size | A | B | C | D | YY |
|---|---|---|---|---|---|
| 5β Male to 6β Female | 5β | 5.75β | 6β | 7β | 5β |
| 6β Male to 7β Female | 6β | 6.75β | 7β | 8β | 5β |
| 6β Male to 8β Female | 6β | 6.75β | 8β | 9β | 5β |
| 7β Male to 8β Female | 7β | 7.75β | 8β | 9β | 5β |
Double Wall Reducer

| Wall Reducer Size | A | B | C | D | YY |
|---|---|---|---|---|---|
| 7β Male to 6β Female | 7β | 8β | 6β | 7β | 5β |
| 8β Male to 6β Female | 8β | 9β | 6β | 8β | 5β |
| 8β Male to 7β Female | 8β | 9β | 7β | 8β | 5β |
*Due to many variables beyond our control, the installer should check actual parts for final dimensions.




















