What is the reason behind the middle two valves having lower pressure? By / On August 23, 2018 / At 7:21 pm / In 33 Views Wifisprinkler DWQA Questions › Category: Melnor RainCloud 4 Zone Alexa › What is the reason behind the middle two valves having lower pressure? 0 Vote Up Vote Down Tom Konor Staff asked 3 years ago The reason behind it is low-quality manufacturing. Please login or Register to submit your answer Username or Email Address Password Remember Me Post navigation Prev PostDoes the water closes off gently when a valve switches off a zone? Next PostIn case of power shut down does the timer keep running on the water cycles?