SearchAsk us anythingarrow rightDo you need a vent pipe for a toilet?The answer is yes, the toilet must have a ventilation, and the size of the ventilation duct depends on the local code of the installation.Let's Get It Fixed!Our virtual experts can diagnose your issue (for free!) and resolve simple problems.Chat with a live expertChat nowCall 1 (855) 466-3948Call nowRATESHARECopy linkTwitterFacebookmagnifying glassLink copied to clipboard.SUBMIT AN ANSWERShop Recommended ProductsShop HomeX Recommended ProductsRELATED QUESTIONSWhat size vent pipe is needed for a toilet?In short, the UPC wants the sewer of the building to be ventilated correctly. Therefore, a ventilation pipe of the same diameter as the sewer of the building must be connected by the drainage system, and extend through the roof, not diminished in size. One popular way to meet this requirement is by a water bath with a ventilation of 3 or 4 inches.Do you need an extractor fan in a toilet?If your bathroom has an open window, it does not require an extractor fan to suit the construction regulations. However, they are generally required in any build novo, especially if sources of natural ventilation are not enough. Here some basic information about your purpose and if they are necessary for your bathroom.What size vent pipe is required for a toilet?In short, UPC wants the sewer of the building to be ventilated correctly. Thus, a ventilation tube of the same diameter as the sewer of the building must be connected from the drainage system, and extended through the roof, without diminishing in size. One popular way to meet this requirement is to channel a bath with a 3 or 4 inch fan.Does an Upflush toilet need a vent?Upflush WC Venting. An upflush bathroom is a type of installation for bathrooms, kitchens, and wet bars under the existing drainage line. These systems must also be ventilated in the same way as traditional drainage lines. Pipe fans finished in grams of ventilation on the roof of your building.Can you install a toilet without a vent pipe?How to vent without a fan. Don't worry if you don't have a ventilation tube in your home, or if it's locked and can't be repaired. Instead of thinking about massive construction projects, you can use an intake air valve, well known as a cheating fan.