Because of a broken airtight seal, your toilet may smell when flushed. The drain venting system prevents sewer gas from entering dwellings. After each flush, a U–shape pipe stores a specific amount of water. To keep sewage gases out, the water creates an airtight seal. However, if there is too much negative pressure, the water level can drop and break the seal, resulting in a smell after you flush. We understand how frustrating a recurring toilet problem can be for homes and businesses. We’re experienced in all types of toilet repairs and provide fast and dependable service. Hire our emergency plumber in Pickering now!