connecting dishwasher and instant hot tank

[coffeesnob]

I have a dishwasher water line attached to the cold water supply under my sink. I want to install a water line for my insta hot under cabinet. Is there a valve that would allow use of the dishwasher line and insta hot or do I need to make a tee for each line, Thank you

 

[TomFOhio]

They both need to be hooked to the hot water line. You can buy this valve which would be a 5/8x3/8x3/8" compression angle or straight valve.

 

[breplum]

I only recommend a dual handle, dual outlet, quarter turn ball angle stop. Better investment and code that each outlet have a separate valve.
If your local supply house has Dahl, go with that!
https://www.amazon.com/Double-Handl...ywords=dahl+valve&qid=1577393585&sr=8-10&th=1

 

[frodo]

I recommend that you use the 2 above items.
connect the 3 way valve. ]see breplum's post for the link]
to the hot water line coming out of the wall.
install the tee fitting onto the 3 way valve
connect one side of the valve to your sink faucet
connect the other to the dishwasher
connect the outlet off the tee fitting to the insta hot