How do I break 20 years of water calc holding metal shell to faucet stem?


Old 03-30-18, 12:43 PM
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How do I break 20 years of water calc holding metal shell to faucet stem?

I have Price Pfister faucets and diverter in my shower. The diverter faucet does not direct all water up to the shower head or down to the spout. I thought I would pull the valve stem in order to investigate.

I have removed the plastic handle but the metal shell that is attached to the valve stem and mates with the handle is stuck to the stem. I have tried (1) immersing the diverter faucet in a baggie full of vinegar overnight and (2) squirting Home Depot's "Blaster" (a penetrating catalyst spray) into the front of the shell (where the handle bolt goes). I have not been able to jar the shell loose.

There is perhaps 20+ years of water calc "gluing" metal parts together. All suggestions to break this seal would be most appreciated.

Thanks, LynnX
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Old 03-30-18, 02:19 PM
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Try soaking in CLR or Lime-A-Way. It may be so corroded that it might dissolve away or break apart.
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