Help PLEASE!? I am having the same problem as john4man. I have a hunter controler, with hunter SRVs and Watts PVB 800M4 FR. I closed the main in the basement, open the faucet outside (mounted below the PVB). Open both screws, before and after teh PVG. Once all is drained, I then hook up the compressor to the testcock on the inlet side of the PVB, close the testcock passed the PVB (passed mean water comes from the house, goes thru PVB and then there is the testcock I am talking about). Turn the c...
