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Hi. Can you explain why the oakum is not able to be removed? Isn't oakum just oiled hemp - a fibrous material? I know it packed in tight to seal the lead being poured. Not sure why it cannot be removed. This post is a first that claims this from my searches.

...as in a teco stud shoe?

Ok. I was merely referring to the UPC, which says 2" pipe cannot pass through a 2x4. Perhaps there are exceptions for your area. I live in NYS. Did the use of a teco stud shoe (not shown in the picture) allow this?

Hi. It is to drain a washing machine. I'm pretty sure that requires 2"

Thanks for that. Furring out a 2x4 wall to be 2x6 would be a huge problem for that small of an area

Since 2" pipe going through 2x4 studs, is that to code?

Actually there is a clean out port. That might be helpful should a big chunk of okum drop down when lifting out the galvanized pipe, potentially causing a clog downstream. Thank you very much

Hello, I have a 1955 cast iron hub with a 2 in galvanized pipe in what looks like 3 inch cast iron hub with a lead joint. The hub and pipe are vertical and I am seeking advice as to removing the lead that surrounds the pipe. I've seen examples of drilling out the joint with dozens of holes...

I learned today the monoflow branch and the indirect tank are fed from the same supply valve. Looks like I have to shut off water supply valve because I can’t isolate the two branches from one sourcing hot water and the other sourced for heat

Again, that hole is in a pipe or fitting that continues to be re-used? What do you do with the hole?

Which one? How did you connect it?

Is that for the boiler too. I mean, if I connect the compressor to the drain valve on the branch, where is the water draining from? Is the technique to blow out branches and boiler? I just need to evacuate one single branch.

Apply the compressed air to the drain spigot at the boiler for that particular zone? If I'm connecting the compressor to the drain valve, where does the water come out from. The conventional way that I am aware of is open the vents on the heaters and let the water drain. If pressurized, the...

Drill a hole in pipe and/or fitting that is being removed correct? Certainly you don't mean drilling a hole in a pipe that remains. Please clarify

I am replacing a monoflow tee and its regular tee. Using a 1 inch x 3/4 inch in place of the 1 inch x 1/2 inch. This is to be used for a fin tube baseboard. When I open the drain valve at the return to the boiler and open the vents, there always remain just enough water to make things...

The "enclosure" I believe you're referring to is fin tube baseboard. You're suggesting mounting the TRV below it? I don't think there's clearance for that or do you mean in the basement? If true, that is totally impractical. Have to go to the basement to adjust the temp of one baseboard...

Hi and thanks for commenting. Since the elbow connecting to the supply side is pretty low to the floor, can you suggest how to connect a TRV? I mean on a panel rad, the TRV mounts a bit higher. Thanks

Setup: 1" monoflow trunk feeding semi-recessed convectors through 1/2" pipe. Monoflow tee on supply side Monoflow and return tee is 1 x 1/2 x 1 - that is, the center port is 1/2" High output baseboard is replacing a convector. The pipe diameter of the element is 3/4 inch. Question: Is...

I agree 100%. This will be done once, which is why I am researching and seeking the advice of those who know. I don't think what I am looking to do is far outside the realm of what home owners seek to do to make changes in older designs. I so appreciate the reference and perhaps this will shed...

Thanks for the valuable reference information. Is the above information more relevant if a monoflow layout is used? I am aware I need to upsize to keep as close to the current flow as I have. If the layout becomes a serial loop or separate supply and return loop feeding high output baseboard...