Dan Steinhauer
January 30, 2016

I have this backflow preventer on my boiler system, it was installed about 16 months ago, the vent port has been dripping since day 1, I contacted installer and he told me that it should quit on its own, however, now it is a steady stream, installer just says, well it's doing its job, but I am wasting all that water, the vent should be an air vent mostly, right? I have taken it apart and have found no debris and it works great when disassembled, once I put it back together it sticks, it almost seems like it is getting hung up on the walls of the unit. We do have have pretty weak water pressure in the house, I am wondering if maybe it not pressing the seal all of the way, any other thoughts or ideas would be appreciated, thank you!

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