greetings
you have to change the existing nipple in the tank
the cold side has the dip tube, so your hot just gets a brass nipple
and a 3/4 copper to female adapter.
unscrew the existing nipple. use about a 3inch brass nipple, with a
copper stub pre-sweated in the female adapter, so you keep the heat off
the tank

you should use teflon tape but also the grey pro dope , [ not the blue
crap that hardens up] smear a little grey dope in the female "hot"
opening of the tank. tape the nipple and also put some grey dope over
that.

the anode rod should be changed every 8 yrs. its screwed in the top of
the tank. some water should be drained off the bottom every couple of
months.

but 1 last thing....that tank being up in the attic, if its over 10 yrs
old....i would consider a new one, thats a disaster in the making.
--good luck


--
whodat
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