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Plumbing in the Home/Unable to remove dome of Delta shower faucet


RoyS wrote at 2014-11-30 23:55:15
I agree the dome is a royal pain to remove when hard water is present in the system.  The dome would not move unless I could feel it start bending the thin copper pipes attached to it.  Not good. WD-40, Kroil, heat, tapping and banging with a hammer and a heat gun would not free it up.

I also was successful removing it with a Dremmel wheel cutter.  Go out and buy a replacement dome before you start.  They are only about $7 and will show you where the threads are and where to cut.  The brass in the dome is pretty thick and the threads go all the way up the sides, not just at the base of the dome.  I had to cut 4 slots to remove two sections and cut part way into the threads but with a high speed wheel and a steady hand working down a little at a time, it did not affect the rest of the thread and with some work with a scotchbrite pad, there were no burs to affect the replacement dome from threading on tightly.

No more dripping tub/shower! Whew.

Plumbing in the Home

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Sharon McCarthy


I can help with most questions about residential plumbing repairs. I am familiar with septic systems, and can answer some questions about water wells. I have no experience with commercial plumbing or codes.


I have been a sole-proprietor service plumber in two small towns north of Phoenix Arizona for 26 years.

I wrote a monthly column for the United Steelworkers of America local 1033 [Chicago] newsletter from 1978 to 1982. I wrote an article for "The Theosophist" in 1977 and have had dozens of letters to the editor in many newspapers, including a recent "My Turn" article in the Arizona Republic.

High school and three years of college. My step-father, having worked 40 years in the plumbing trade in Chicago, trained me for two years. The rest has been hands-on experience.

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