Zinc-Plated Mushroom Vent Caps
This popular style is used in the majority of installations in the US, Alaska, and Canada. Rust-resistant zinc-plated cast iron design is available in threaded female NPT sizes from ¾” to 4″. Each cap is designed with a mesh screen, to prevent debris from entering the vent pipe.
| Part No. | Size/Description |
| 14021 | ¾” |
| 14022 | 1″ |
| 14023 | 1¼” |
| 14024 | 1½” |
| 14025 | 2″ |
| 14027 | 3″ |
| 14028 | 4″ |
Zinc-Plated Slip-On Vent Cap
Zinc-plated steel with screen. Lightweight and economical. Clamps to pipe with included set-screw.
| Part No. | Size |
| 14036 | 1″ |
| 14037 | 1¼” |
| 14038 | 1½” |
| 14039 | 2″ |
Zamak Slip-On Vent Cap
Our most economical design. Zamak zinc alloy won’t rust. Slip-on design only requires ~1/16″ pipe-to-wall clearance. Supplied with set screw and wire mesh screen. For iron pipe sizes from 3/4″ and 1″.
| Part No. | Size |
| 14006 | ¾” – 1″ |
Aluminum Slip-On Vent Cap
These caps are ideal for ‘close-to-wall’ Installations. Requires only ~1/8″ pipe-to-wall clearance. Rust proof cast aluminum design includes an integral screen. Cap is secured to pipe using a single set screw.
| Part No. | Size |
| 14009 | 2″ |
