| - | Features |
|---|---|
| #1 | Rated 180 degree F continuous heat and approved for type B installations |
| #2 | Metal base for pitch from 0-40 degree and plastic base for pitch from 0-45 degree |
| #3 | Not for hot-mopped or built-up roof |
| #4 | Self-sealing collar slides over pipe and requires no caulking |