You don't, you remove the plastic junk and replace the toxic plasatic with cast iron
Cast Iron extra heavy, Cast Iron service weight, No Hub Cast Iron, Galvanized, Copper Tubing, PVC are the most common BUT plastic should not be exposed to direct sun light thus for the vent terminal CI or other Ferrous materials are desired
As far as I know PVC is illegal in New York and Chicago.
Definitely PVC
Depends on the type what means I use to replace it CAST Iron/ BRASS / Antimony / PVC / SCREWED TYPE
Answer replacing cast iron with PVCThere is a rubber sleeve available that goes in the cast iron and then the PVC slides into it. Use a rubber outside sleeve with two hose clamps. You can also replace the rusted section with PVC and them "lead" them with the packing and a paste sealant that is made for this.
The best way to connect a cast iron pipe to a PVC pipe using a cast iron to PVC adapter is to first clean and prepare the ends of both pipes, then apply a suitable adhesive or sealant to the adapter and securely attach it to both pipes according to the manufacturer's instructions.
Yes, but PVC creates problems
If you are referring to your vent stack it will be on the roof, either 2" is smaller services and 4" is main line out of the house in either PVC or cast iron. If you are referring to your vent stack it will be on the roof, either 2" is smaller services and 4" is main line out of the house in either PVC or cast iron. If you are referring to your vent stack it will be on the roof, either 2" is smaller services and 4" is main line out of the house in either PVC or cast iron.
To connect PVC to cast iron pipes, you can use a rubber coupling with stainless steel clamps. Make sure the pipes are clean and dry before attaching the coupling. Tighten the clamps securely to create a watertight seal between the PVC and cast iron pipes.
No PVC is acceptable, you can join the new PVC piping into the existing Cast Iron.
Cast iron pipes were once the standard choice for plumbing, but over time they got replaced by PVC pipes for some very practical reasons. Cast iron is heavy, prone to rust, and quite expensive to install and maintain. On the other hand, PVC pipes are lightweight, easy to transport, don’t rust, and are far more affordable. Plus, they last longer and require less maintenance, which makes them a smart choice for both homes and industries. In today’s world, businesses and contractors don’t just look for durability – they also want cost efficiency and reliability. That’s exactly why PVC plumbing pipes, uPVC, and CPVC pipes have become the go-to solution for water supply, drainage, and even agricultural irrigation. And if you’re in the market for bulk supplies, the smartest way is to connect with verified PVC pipe manufacturers, dealers, and exporters through a trusted B2B marketplace like eB2BMart. Here you’ll find a wide range of suppliers offering competitive prices, making it easier to get quality products without the hassle.