Hi. Im working on switching to sch 40 for my agp.
I bought some ball valves at Lowe's and noticed they had some with built in unions.
Double union was out of stock but they did have single Unions. Can they work? Or do I have to install the ball valve and a regular union?
My understanding is that it may work as long as the union end is connected to the Equipment (pump/filter) and not more plumbing. Of course I would need to install and adapter in order to connect to the equipment.
Below is what I thinking. Would this work? Or should I just install the ball valves + a regular double union ? I think that once installed, if I unscrew the union that I can just shimmy the filter over a bit to disconnect the plumbing, but I'm not sure.
I mainly want to be able to turn off the flow of water from the pool if needed, but also have the flixibility to be able to work on the equipment if needed
Thanks.

I bought some ball valves at Lowe's and noticed they had some with built in unions.
Double union was out of stock but they did have single Unions. Can they work? Or do I have to install the ball valve and a regular union?
My understanding is that it may work as long as the union end is connected to the Equipment (pump/filter) and not more plumbing. Of course I would need to install and adapter in order to connect to the equipment.
Below is what I thinking. Would this work? Or should I just install the ball valves + a regular double union ? I think that once installed, if I unscrew the union that I can just shimmy the filter over a bit to disconnect the plumbing, but I'm not sure.
I mainly want to be able to turn off the flow of water from the pool if needed, but also have the flixibility to be able to work on the equipment if needed
Thanks.
