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Old 12-24-2015, 01:13 PM   #1
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shower valve with 4 copper lines


I gained access to the shower valve and found it had 4 1/2" copper lines rather than 3. My replacement valve has 3 and confused about what the 4th one is for
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Old 12-24-2015, 01:16 PM   #2
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Picture please and how many water outlets does your shower have?
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Old 12-24-2015, 01:27 PM   #3
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Hot, cold, shower & tub spout.
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Old 12-24-2015, 03:33 PM   #4
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finally found a site that identified the bottom line as the tub spout which there is none. Assuming purchased in a contractor pack and "roughed" the copper into the valve prior to installation in the wall and used a shower/tub valve for a shower only installation

thank you Griz

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Old 12-24-2015, 03:42 PM   #5
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someone at home depot suggested sheetrock as a good flame protection while sweating the lines back into the wall; said the paper will burn away but the gypsum works great as flame protection. Is this a true statement?
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Old 12-24-2015, 03:46 PM   #6
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A piece of sheetmetal works better- or a soldering blanket
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Old 12-24-2015, 03:46 PM   #7
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Quote:
Originally Posted by tfsboroga View Post
someone at home depot suggested sheetrock as a good flame protection while sweating the lines back into the wall; said the paper will burn away but the gypsum works great as flame protection. Is this a true statement?
Yep......just peel the paper off one side.
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Old 12-24-2015, 04:35 PM   #8
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Quote:
Originally Posted by tfsboroga View Post
finally found a site that identified the bottom line as the tub spout which there is none. Assuming purchased in a contractor pack and "roughed" the copper into the valve prior to installation in the wall and used a shower/tub valve for a shower only installation

thank you Griz
Very common, just put a plug in the bottom post.
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Old 12-24-2015, 06:32 PM   #9
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I would suggest a squirt bottle full of water wet the burnables prior to starting.
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