![Rheem 3 in. x 5 in. Horizontal Stainless Steel Concentric Termination Vent Kit for Mid Efficiency Tankless Gas Water Heaters RTG20210 - The Home Depot Rheem 3 in. x 5 in. Horizontal Stainless Steel Concentric Termination Vent Kit for Mid Efficiency Tankless Gas Water Heaters RTG20210 - The Home Depot](https://images.thdstatic.com/productImages/eb283a89-6dfc-4494-b4c6-90550fbc3b21/svn/rheem-water-heater-venting-parts-rtg20210-64_600.jpg)
Rheem 3 in. x 5 in. Horizontal Stainless Steel Concentric Termination Vent Kit for Mid Efficiency Tankless Gas Water Heaters RTG20210 - The Home Depot
![This is my parent's water heater. The vent on the top is not connected. Is this dangerous? : r/HomeMaintenance This is my parent's water heater. The vent on the top is not connected. Is this dangerous? : r/HomeMaintenance](https://preview.redd.it/340qg9xxwan71.jpg?width=3024&format=pjpg&auto=webp&s=cd15225c06e3e4b7af7fed16cd5108f04332259c)
This is my parent's water heater. The vent on the top is not connected. Is this dangerous? : r/HomeMaintenance
![Rheem 3 in. x 5 in. Vertical Concentric Termination Vent Kit Stainless Steel for Mid Efficiency Tankless Gas Water Heaters RTG20211 - The Home Depot Rheem 3 in. x 5 in. Vertical Concentric Termination Vent Kit Stainless Steel for Mid Efficiency Tankless Gas Water Heaters RTG20211 - The Home Depot](https://images.thdstatic.com/productImages/e939f527-a609-496f-ba0b-33a20dbd54fe/svn/rheem-water-heater-venting-parts-rtg20211-64_600.jpg)
Rheem 3 in. x 5 in. Vertical Concentric Termination Vent Kit Stainless Steel for Mid Efficiency Tankless Gas Water Heaters RTG20211 - The Home Depot
![Direct Vent 50-Gallon Tall 6-year 40000-BTU Natural Gas Water Heater in the Water Heaters department at Lowes.com Direct Vent 50-Gallon Tall 6-year 40000-BTU Natural Gas Water Heater in the Water Heaters department at Lowes.com](https://mobileimages.lowes.com/productimages/c8c1bff7-9e1e-4aab-bb9c-fdad34efa317/04710987.jpg)