OpenSprinkler › Forums › Hardware Questions › Master station question › Reply To: Master station question April 11, 2015 at 2:36 pm #36613 BigboatParticipant I might be answering myself but i think something like this would do: http://www.watsonmcdaniel.com/v2/pdfs2010/directoperated/RSeries_10691Series_BackPressureReliefValves_162_163.pdf
