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.
Standard plumbing works on a gravity-flow system, with wastewater exiting through sloped pipes and air filtering in through vent pipes. In new construction, the simplest way to vent a bathroom group is usually to install a single vertical vent pipe behind the bathroom sink. This works as long as all the plumbing fixtures connect to the main drain line in the floor within 6 to 10 lineal feet of the sink drain.