| Product Type: | Termination Kit |
|---|---|
| Vent Type: | Condensing |
| Size: | 21" |
| Length (Inches): | 30.3" |
| Inner Exhaust Material: | Polypropylene |
| Outer Intake Material: | Plastic |
Condensing units have a plastic exhaust flue pipe, while non condensing units have a metal flue due to higher temperatures. V65i is a non-condensing unit, so you cannot use the condensing venting pieces.
It is actually 4" on the outer piece. It is concentric venting for a Condensing Water heater (the RU series).