Step 4 prepare the pex tubing.
Water heater to pex.
Step 2 connect the metal connector to the water heater.
Shut down the water supply first before working with the connection.
Step 3 solder the copper stub to the water heater.
Codes commonly require pex to be at least 18 in.
Although this was hooked up without soldering this will have to be addressed down the road.
One at the manifold and another at the fixture end.
Away from the water heater and 6 in.
Pex is plastic and plastic melts.
Diy how to hook up a hot water tank with pex tubing.
With the home run system you install a manifold in the utility room or some area that s close to the main water line and water heater and run a separate pex tube to each fixture as shown above.
It is so much easier than using copper to join a water heater to pex pipe.
Water flows silently through pex eliminating the water hammer.
Sharkbite u3068flex18bvlf flexible water heater connector with ball valve 1 2 inch x 3 4 inch fip push to connect copper pex cpvc braided stainless steel 4 7 out of 5 stars 56 27 25 27.
When you want to connect pex to a water heater but need an 18 inch separation then use this.
How to connect pex tubing to a water heater.
This system uses more tubing but is fast and only requires two connections.
Away from single wall flues on gas water heaters.
But i am thinking since this is a high efficiency with an induced fan that it not necessary.
So keep your pex pipes away from hot stuff.
Pex does not corrode which can happen with both copper and steel pipes leading to leaks and contamination of the water supply.