Most manufacturer's joints work well when the inlet and both outlet branches are installed:
A) Either the same vertical or horizontal plane.
B) In the same vertical plane as the ground.
C) In the same horizontal plane and parallel.
Question 2
Manufacturers recommend pressurizing VRF piping to ________ with nitrogen and performing a 24 hour standing leak test.
A) 400 500 psig B) 200 300 psig C) 500 600 psig D) 300 400 psig