â¦about tires, XL really means extra load. These tires can use higher air pressure to support more weight than a standard tire of the same size. If you want to see whether your current tires are standard or extra load, you can check the service description on the tire's sidewall. An extra load tire willâ¦.
Plumbing vents which have been accidentally closed off or blocked: some plumbing vents include a. screen which can slide down, closing off the vent and causing sewer gas backups in the building. We've. also found plumbing bents blocked by wasp nests, birds, and once even a frog.
The most important component of a drain, which most people take for granted, is the trap. They're called traps because they do just that: trap water inside, preventing sewer gases from coming back into the house. Several connections are needed when connecting a trap. First is the nut, which connects two pieces together with a threaded fitting. A ferrule forms the seal; the nut simply screws down over the ferrule to form a water tight seal. Vents are a major component in a home's drainage system. Venting allows water to pass out of the drains easily. Today, houses are vented through the roof.