You can screw PVC into cast iron. If you can get the galvanized pipe out, you may need a 24 socket wrench or a cheat pipe for an 18 wrench.
How do I attach the PVC to the cast iron?
If old Timmer talks about replacing all the old cast iron 4 above ground with 3 PVC and then sheathing the cast iron 4 below with an approved transition piece where the cast iron meets the PVC, then it’s permissible.
Will 3 PVC fit in 4 cast iron?
If old Timmer talks about replacing all the old cast iron 4 above ground with 3 PVC and then sheathing the cast iron 4 below with an approved transition piece where the cast iron meets the PVC, then it’s permissible.
Can PVC pipe be threaded?
Threading Plastic Pipe If you need to thread plastic pipe, remember that only Schedule 80 PVC and CPVC can be effectively threaded. Of course, you can thread almost anything, but both methods are a tried and tested way of connecting pipes. You must start with square cut pipe before you can attempt threading.
Can you thread cast iron pipes?
The cast iron crumbles into dust instead of shavings, so it clogs faster, especially on small faucets. Larger valves can be multi-turned in cast iron and mild steel. Tapping iron pipe can usually be done recoil-free with my HF dies and an inch thread.
Is PVC better than cast iron?
The noise from PVC pipe is much greater than cast iron because it is less dense than cast iron pipe and does not have the deadening effect that cast iron provides. One of the biggest complaints from building tenants is often the noise caused by sewage flowing through plumbing and gullies.
Do Fernco fittings comply with the code?
I am aware that flexible PVC couplings (e.g. Fernco) meet the definition of a mechanical joint in the International Residential Code. IRC 2015 prohibits the use of mechanical joints on above-ground PVC fittings unless otherwise authorized.
Does threaded PVC need glue?
The PVC cement melts the PVC to form a bond. The reason you would use an app with threads is so you can take it apart. So if you want to take it apart, you should use teff tape and not glue.
How dense do PVC threads have to be?
Proper assembly of a PVCSchedule 40 or 80 threaded connection is finger tight plus one to two turns, no more. Hand tightened two turns plus the stress of the system pressure is within the tensile strength of 1 inch PVC. ([1788psi x 2] + 2000psi = 5576psi). Do not use Teflon tape, Teflon paste, or pipe lubricant.
How do I remove rust from cast iron pipe fittings?
Yes, use pipe paste or tape and tighten, then a little (full half turn). A 24 connector isn’t bad, as long as it’s at the end of the line and connected to the oven. Works with black pipe in natural gas industry. 30