| Connection Size 1 | : | 7 in |
| Connection Size 2 | : | 8 in |
| Connection Sizes (Custom) | : | 7~8 in |
| Connection Type 1 | : | Snap Lock |
| Connection Type 2 | : | Snap Lock |
| Connection Types (Custom) | : | Snap Lock~Snap Lock |
| Depth | : | 8.5 in |
| For Pipe Size | : | 7~8 in |
| For Use With | : | Gas Appliance |
| Fuel Type | : | Natural Gas~Liquid Propane |
| Function Type | : | Increaser |
| Installation / Mounting Type | : | Concealed |
| Insulated | : | Yes |
| Length | : | 1 in |
| Material Gauge | : | 28 ga |
| Material | : | Galvanized Steel~Aluminum |
| Operating Temperature Rating | : | 470 F |
| Outside Diameter | : | 8.5 in |
| Package Quantity | : | 1 |
| Product Family | : | RV Series |
| Product Type | : | Increaser |
| Vent Type | : | Type B |
| Venting Category | : | Category I |
| Width | : | 8.5 in |
The Selkirk® RV Series Gas Vent Increaser provides a reliable transition between different vent pipe diameters, connecting a 7-inch vent to an 8-inch section. It is specifically designed for use in Type B gas vent systems for Category I appliances. This component ensures a secure, code-compliant connection as part of a complete venting installation.