OpenSprinkler › Forums › Hardware Questions › Zone’s won’t turn off › Re: Re: Zone’s won’t turn off March 30, 2014 at 4:53 pm #26386 WavyMember I believe they are standard AC valves. I honestly haven’t ever paid much attention. When one would fail, I would just replace it with a generate one from Home Depot. Should I have been seeing 24VAC on the outputs of the OSPI rather than -24VDC?
