Copper vs. Brass PEX transition fittings Terry Love Plumbing Advice & Remodel DIY & Professional Forum

Hello! Hoping to find an answer.. I suck at sweating brass. I can do it but I find it a pain. Yes I've checked into all the methods but I'm a homeowner and not a plumber, so maybe I just need more experience. Any who, all the big box stores sell are brass sweat fittings to transition to PEX. I

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What's this elbow? Should I replace it?