Hybrid Water Heater Copper Pipe Support Bracket Needed

[Wren]

I'm about to install a Rheem heat pump water heater and the inlet/outlet pipes are on the side instead of on top. From watching a video produced by Rheem, it appears that the best practice is to use copper for the vertical piping and then transfer to PEX near where the pipes meet the wall above the heat exchanger unit. I see a bracket in the video that is used to secure the vertical copper pipe to the side of the water heater. Are these something that is available commercially, or are they supplied with the water heater? I would like to find a source if they don't come with the heater (I don't think they do). I've looked online but haven't been able to come up with anything.
Here's a screenshot of the video:
Thanks!

 

[WorthFlorida]

Support brackets do not come with water heaters. Just note that when screwed to the tank, only use 1/2" sheet metal screws. Needing to use copper is not necessary. Using PEX all the way is doable as long as the pex is supported.

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[Wren]

I would like to use a bracket even if I were to use PEX all of the way to the nipple. I just can't find brackets in the photo or I'm not looking in the right places. Any ideas?

 

[WorthFlorida]

I would like to use a bracket even if I were to use PEX all of the way to the nipple. I just can't find brackets in the photo or I'm not looking in the right places. Any ideas?

A local plumbing supplier or search on line. Amazon has them in stainless steel with a plastic liner that holds the pipe.

Stainless Steel Wall Mount Ceiling Mount Pipe Supports, Adjustable Pipe Bracket Clamp Pipe Strap for Dia 25mm (3/4-inch) Pipe Tube, Set of 2​

 

[Wren]

Any thoughts on attaching to the side of the WH with sheet metal screws? That's the only part that makes me nervous.