Sprinkler backflow

[Some Sprinkler Guy]

Originally Posted by WalkGood

It's a temporary hookup, most likely as Greenmonster stated: street sweeper trucks with water sprays. No testcocks needed.

Temporary or not they still need to work and be tested. Even with a air gap a rp is needed for the ignorama that throws the hose in the tank instead of using the plumbed air gap.

[Wet_Boots]

a real air gap is "show over" ~ no way to connect a hose to one

[WalkGood]

Originally Posted by Some Sprinkler Guy

Temporary or not they still need to work and be tested.

I bet in reality, they don't get tested much if at all.