RickkyBobby
Aquarium Advice Activist
That's just a Union you see there Steve not a check valve, i thinks that's what your referring too.. So i just can disconnect it there when ever i have to separate the overflow from the sump tank..
I will be putting a check valve on my return though..Return pump will be here Monday or Tuesday...
I will be putting a check valve on my return though..Return pump will be here Monday or Tuesday...