This might be a stupid question, but I would still like an answer...

When we use a tap, aren't we shlepping water from the resevoir (a carmelis) into our homes (a reshus hayachid)? It would seem to be a proper maaseh and not grama. If the answer is that the pipes are a makom petur, that shouldn't make a difference, since the water doesn't rest in the middle. Even if the water would rest, it would still be subject to the Machlokes brought in SA 346:1. Perhaps the answer is that water is always considered to rest on the way, and we go like the lenient opinion?

Any help is greatly appreciated.

  • How is it not grama? – Double AA Feb 9 at 19:13
  • I'm asking about the issue of transferring the water, not the issue of causing electricity to work. – Dovid Feb 9 at 20:46
  • About grama, I'm not absolutely sure, but I thought that since it happens instantaneously, you can't call it grama. Also, the position of Chazon Ish and others is that any machine set up to work in a certain way isn't grama on Shabbos. – Dovid Feb 9 at 20:48
  • @Dovid but this is literally hasaras moneia – Double AA Feb 9 at 21:27
  • Well... isn't the בידקא ראשונה still an issue? Also, I'm not sure if grama on Shabbos has the same parameters as רציחה or נטילת ידים, since the overarching rule is מלאכת מחשבת אסרה תורה. I'm not claiming to know... just wondering. – Dovid Feb 10 at 1:11

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