D,
The check valve in front of your pump is not in the loop and, in most cases, is just not needed at all..
I see what appears to be a check valve in the middle of your last pic.. it is at the bottom of the middle pipe.. You can see the word "flow" and a direction.
Thanks,
Jim R.
The check valve in front of your pump is not in the loop and, in most cases, is just not needed at all..
I see what appears to be a check valve in the middle of your last pic.. it is at the bottom of the middle pipe.. You can see the word "flow" and a direction.
Thanks,
Jim R.