Zone has two impluse sprinkler heads and a drip line. All was working well except I recently had to replace a 3/4" to 1/2" adapter that was leaking. After replacing said adapter, now only one of the sprinklers will pop up. The other one leaks leaks little water as if it doesn't have enough pressure to push the head up. ALso, the DRIP line is no longer supplying water to vegetation. The one sprinkler that is currently working doesn't move through it's path...so I assume it has too much water pres...