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Old 08-20-2009, 08:31 PM   #1
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pvc to cast iron hub using fernco-can't get it!


Ok I thought the hard part was going to be getting the cast iron seperated. I drilled the lead and got the cast iron seperated at the Bell, I got a Fernco that goes inside the cast iron Bell and the pvc goes inside the fernco.

I can Not get it to go in, I tried putting the fernco in 1st then the pvc. this just pushed the fernco in further.

put fernco around the pvc and tried "tapping" it into the cast iron. Couldnt get it in past the 1st ridge of the fernco. Still had at least and inch to go.

Tried lubing everything up with dish soap. No better.

What am I doing wrong or better yet HOW CAN I make this connection from Cast iron to PVC.

thanks
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Old 08-20-2009, 08:41 PM   #2
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pvc to cast iron hub using fernco-can't get it!


What I do is take a short piece of pipe say 12" and taper the end. Lube the dough-nut (fernco) inside and the pipe outside. Insert the pipe into the dough nut and place a short piece of 2x4 over then end of the pipe. Then use a hammer and strike the board to drive the pipe in. Use a PVC coupling to reconnect the pipe end

Try this link..page 63

http://books.google.com/books?id=xSP...age&q=&f=false
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Last edited by Plumber101; 08-20-2009 at 08:49 PM.
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Old 08-20-2009, 08:51 PM   #3
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pvc to cast iron hub using fernco-can't get it!


Yes thats how I was doing it. I had a 5" piece of 4" PVC figured I could get that locked in place with the fernco then go to town on PVC connections. It just wont go. The donut I got is a ferncop44u-405 "for sewer and drain use only". I was using dish soap as a lube is there something better?

Thanks for the quick reply also
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Old 08-20-2009, 09:03 PM   #4
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pvc to cast iron hub using fernco-can't get it!


I use faucet grease.

Sometimes one or two hits and slips right in other times I really have to pound to get it to go in. (That just sounds so wrong)

I had on one time where I had to hold the 2x4 and have my helper swing the hammer.

If you make a 30 to 45 deg tapper on the end of the pipe it really helps. Also 5" isn't long enough. Use at least 8-9"
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Old 08-21-2009, 05:18 PM   #5
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pvc to cast iron hub using fernco-can't get it!


not sure what the last message was about??? Sultini?

Anyway the fernco I was using came from A box store. It was fernoc brand but I could not get it to accept the PVC

I went to a plumber and the donuts he had were beefier and he said to do exactly what I had been trying

The donut was $20 as compared to the box store's $9.. BUT IT WORKED

had to wack the PVC good with a BFH but it went in...on to the next project!

thanks for your HELP
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Old 08-21-2009, 08:44 PM   #6
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pvc to cast iron hub using fernco-can't get it!


Glad to hear that you get it done.
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Old 01-22-2014, 04:53 PM   #7
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pvc to cast iron hub using fernco-can't get it!


Found this thread while looking for a solution to the same problem of having to replace the 4" adapter inside the 6" bell, on 80 year old pipes. ... I know it's ab older thread, but thought I'd add this info for others who may be seeking advice.

After many hours spent getting the lead and okume out (the okume was much harder than the lead in some places) using any combination of drill bits and chisels, the inside of the bell was clean and the Frenco in place and greased. Could not for anything get the new 4" PVC adapter in. Sledge hammer and 2x4 was NOT working, and I was a bit concerned about breaking the cast iron bell.

I took a break.

Thinking about it, I thought perhaps I could shave off a bit of the Fernco. Didn't like that idea, as I was worried about jeopardizing the integrity of the connection. Hardware store was closed at 1 AM, when I read that I could use a donut instead. So... "I wonder if heating the Frenco would do the trick?"

Next problem: How to heat it? Microwave?! Don't like the thought of that...

Then the idea of soaking it in boiling hot water came to mind. Off to the kitchen, and then to basement and the open sewer drain, yet again.

I poured boiling hot water over the Fernco and let it soak for 3-5 minutes. Pulled it out of the water, dried it off, added grease to the inside and in went the 4" PVC like cutting butter!
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Old 01-22-2014, 05:46 PM   #8
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pvc to cast iron hub using fernco-can't get it!


That sure was a helpful post----boiling water---Hummmmmm
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Old 01-22-2014, 07:25 PM   #9
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pvc to cast iron hub using fernco-can't get it!


So much easier to cut the pipe and use a hubless connector, not go to all the extra work of drilling out the bell whenever possible.
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Old 01-22-2014, 07:31 PM   #10
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pvc to cast iron hub using fernco-can't get it!


I use to install a lot of Tyseal pipe when doing ground roughs- several times we would have bucket of hot water on the burner with assorted gasket sizes heating up.
We also had pipe pullers that made joining pipe a breeze. We could do a joint almost as fast as no-hub
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Old 01-22-2014, 07:55 PM   #11
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pvc to cast iron hub using fernco-can't get it!


Quote:
Originally Posted by TheEplumber View Post
I use to install a lot of Tyseal pipe when doing ground roughs- several times we would have bucket of hot water on the burner with assorted gasket sizes heating up.
We also had pipe pullers that made joining pipe a breeze. We could do a joint almost as fast as no-hub
As somebody who had to pour a lot of lead early in my career I was really happy when push joints and no hub pipe became readily accepted around these parts! Hahaha
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