Have a Delta 1400 shower controller. It produces cold water only. Suspect calicum corrosion however cannot remove the cartridge. How do I achieve this?

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Originally Posted by Yeswap

Have a Delta 1400 shower controller. It produces cold water only. Suspect calicum corrosion however cannot remove the cartridge. How do I achieve this?

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Shut the water off and open up the valve, (see image). Dig down to the seats and springs. Check and clear the inlet ports in the cartridge. Now turn the hot water on for a few seconds to flush out the supply. You should see a strong stream . If not click on back and tell me about it. Good luck, tom

Hi YesWap,

Follow Tom's advice, if that would not work for you I would suggest to call Delta at 800-345-3358 ask them to send you Cartridge P/N 19804 and they will send you one for free, the removel and installation instruction is comimg with the cartridge, good luck.

John