Dome Gen 2 Flue Rain Cap: Installation and Benefits
By Gozney | Published: 2026-10-27
Category: How-to Guides
Learn how to install the Dome Gen 2 Flue Rain Cap on your Gozney oven, plus the benefits of using this simple accessory to protect your flue from rain and debris.
Quick answer
Installing the Dome Gen 2 Flue Rain Cap takes under a minute and requires no tools. It simply sits over the flue opening to keep rain, leaves, and debris out when the oven is not in use.
Why use a flue rain cap?
The Dome Gen 2 Flue Rain Cap is a small but practical accessory that prevents water and debris from entering the flue when the oven is idle. Rain inside the flue can lead to rust, mold, or blockages over time. The cap also keeps birds and insects from nesting in the chimney, which is a common issue with outdoor ovens left uncovered.
Since the cap is designed to be used only when the oven is cold and not in use, it does not affect cooking performance. It is a low-cost way to extend the life of your flue system.
What to check before installing
The flue rain cap is included as standard with the Dome Gen 2 oven, so you likely already have one. This guide is for replacing a lost or damaged cap. Before buying a spare, confirm your oven model and check the product manual to ensure compatibility.
Only install the cap when the flue is completely cool. Attempting to place it on a hot flue can damage the cap or cause burns.
Installation steps
- Ensure the oven is cold: Wait until the Dome Gen 2 has fully cooled after your last cook. The flue and surrounding metal should be cool to the touch. Installing on a hot flue can warp the cap or cause burns.
- Remove any existing cover or debris: If you previously used a different cover or if leaves or dirt have collected on the flue opening, clear them away so the cap sits flat. A clean surface ensures the cap stays in place and seals properly.
- Place the rain cap over the flue opening: Hold the cap by its edges and lower it gently onto the flue pipe. It should sit evenly without wobbling. No twisting or locking is needed—gravity holds it in place. If the cap does not sit level, check that the flue rim is clean and undamaged.
- Remove the cap before your next cook: Before lighting the oven, lift the cap off and store it in a dry place. Never operate the oven with the cap in place, as it blocks exhaust flow. A common mistake is forgetting to remove the cap, which can cause smoke buildup or poor combustion.
Product details
- Dome Gen 2 Series Flue Rain Cap: Flue Cap to prevent rain and cover flue from the elements when not in use. This part is included with the original product as standard; purchase of additional spare parts should only be required if the original part is lost or damaged. You may not need to buy this cap separately—check your oven's packaging first. If you do need a replacement, it is an inexpensive way to protect your flue from weather damage.
Dome Gen 2 Series Flue Rain Cap
