Hot water heater questions

[Black]

Hey, look at that cool box thing that happens when you quote two people in a row.


Plumbking, if you're still following . . . I bought a cock but ultimately couldn't work it into the mix-- the flare to 1/2" adapters that come on either end of the flex pipe ended up crooked when tightened down.

This one:


Can it be used with straight 1/2" threaded ends instead of flare-ends?

Otherwise, everything is back together, no leaks. I used a bunch of this on the gas connections:

And couldn't see any evidence of leaks.

Hope my headache is gone by morning.