--- title: How to Repair a Vent Stack description: We're going to review how to repair a broken vent stack. --- [Skip to content](https://learn.servicesanitation.com/how-to-repair-a-vent-stack#main-content) English Show submenu for translations [![ssi-logo](https://learn.servicesanitation.com/hs-fs/hubfs/ssi-logo.jpg?width=100&height=51&name=ssi-logo.jpg)](https://learn.servicesanitation.com/?hsLang=en) - [Quick Hitters](https://learn.servicesanitation.com/migration/quick-hitters) - [Safety Meetings](https://learn.servicesanitation.com/safety-meetings) - [Driver Training](https://learn.servicesanitation.com/driver-training) - [Yard Training](https://learn.servicesanitation.com/yard-training) - [CSR Training](https://learn.servicesanitation.com/csr-training) - [Tablet Training](https://learn.servicesanitation.com/tablet-training) Open main navigation Close main navigation - [Quick Hitters](https://learn.servicesanitation.com/migration/quick-hitters) - [Safety Meetings](https://learn.servicesanitation.com/safety-meetings) - [Driver Training](https://learn.servicesanitation.com/driver-training) - [Yard Training](https://learn.servicesanitation.com/yard-training) - [CSR Training](https://learn.servicesanitation.com/csr-training) - [Tablet Training](https://learn.servicesanitation.com/tablet-training) - English Show submenu for translations This is a search field with an auto-suggest feature attached. - There are no suggestions because the search field is empty. 1. [Knowledge Base](https://learn.servicesanitation.com/?hsLang=en) 2. [Quick Hitters](https://learn.servicesanitation.com/quick-hitters?hsLang=en) 3. [Quick Hitters - Training Videos](https://learn.servicesanitation.com/quick-hitters?hsLang=en#quick-hitters-training-videos) # How to Repair a Vent Stack ## We're going to review how to repair a broken vent stack. ![](https://fast.wistia.com/embed/medias/s7eht11t8m/swatch) Here we have a broken vent stack on a polyjohn unit that needs to be riveted back into place. The vents are different on satellite and polyjohn units so I will show you a satellite unit next. First, to repair this vent stack we will need to be sure the old rivet is not in the hole anymore. If removed, we will push the vent through the whole in the roof, and then line the bottom up with the whole in the tank. A good trick is to twist the stack a few times in the whole to get it seated properly. Next, we will need to drill a new whole so that we can put a new rivet in place. With the new whole drilled, we will take the rivet and tighten the gun like always at a 90% angle. Squeezing a few times until it breaks free. Now it should be fully secured. On a satellite unit we will follow similar steps. First by sending the end of the stack through the roof of the unit, and twisting the bottom into place. Then we will redrill a whole for our nut, and twist it into place. - [Product Trainings](https://learn.servicesanitation.com/product-trainings?hsLang=en) - [Driver Training](https://learn.servicesanitation.com/driver-training?hsLang=en#main-content) - [Portable Restrooms](https://learn.servicesanitation.com/driver-training?hsLang=en#portable-restrooms) - [Sink/Hand Wash](https://learn.servicesanitation.com/driver-training?hsLang=en#sink-hand-wash) - [Truck Training](https://learn.servicesanitation.com/driver-training?hsLang=en#truck-training) - [Trailers](https://learn.servicesanitation.com/driver-training?hsLang=en#trailers) - [Winter Procedures](https://learn.servicesanitation.com/driver-training?hsLang=en#winter-procedures) - [Yard Training](https://learn.servicesanitation.com/yard-training?hsLang=en#main-content) - [Cleaning Procedures](https://learn.servicesanitation.com/yard-training?hsLang=en#cleaning-procedures) - [Truck Training](https://learn.servicesanitation.com/yard-training?hsLang=en#truck-training) - [CSR Training](https://learn.servicesanitation.com/csr-training?hsLang=en#main-content) - [Billing Training](https://learn.servicesanitation.com/csr-training?hsLang=en#billing-training) - [Misc](https://learn.servicesanitation.com/csr-training?hsLang=en#misc) - [Quick Hitters](https://learn.servicesanitation.com/quick-hitters?hsLang=en#main-content) - [2022 - Quick Hitter](https://learn.servicesanitation.com/quick-hitters?hsLang=en#2022-quick-hitter) - [Quick Hitters - Training Videos](https://learn.servicesanitation.com/quick-hitters?hsLang=en#quick-hitters-training-videos) - [Safety Meetings](https://learn.servicesanitation.com/safety-meetings?hsLang=en) - [Tablet Training](https://learn.servicesanitation.com/tablet-training?hsLang=en) - [PI Training](https://learn.servicesanitation.com/pi-training?hsLang=en#main-content) - [What is the Predictive Index?](https://learn.servicesanitation.com/pi-training?hsLang=en#what-is-the-predictive-index) - [Trailer Training](https://learn.servicesanitation.com/trailer-training?hsLang=en) - [Quick Hitters](https://learn.servicesanitation.com/migration/quick-hitters) - [Safety Meetings](https://learn.servicesanitation.com/safety-meetings) - [Driver Training](https://learn.servicesanitation.com/driver-training) - [Yard Training](https://learn.servicesanitation.com/yard-training) - [CSR Training](https://learn.servicesanitation.com/csr-training) - [Tablet Training](https://learn.servicesanitation.com/tablet-training) [![Chill listening crop-3](https://learn.servicesanitation.com/hs-fs/hubfs/logo-small-2.jpg?width=50&height=24&name=logo-small-2.jpg "Chill listening crop-3")](https://www.servicesanitation.com) Follow us on Social: Copyright © 2025, Service Sanitation Inc