Wow that really sucks.Well my response from VapeNW was my device was working fine. I sent them a video with multiple tanks and then using the same tank on another mod to show the coil was fine. But to them a board that is malfunctioning is working properly. I explained a lot to them and that this is not user error they just kept saying that is how the board is supposed to operate. I spent 250$ there in the past month but they won't replace a broken device. I will NEVER BUY FROM VapeNW again. I would say just use caution and if it's something you may have to return remember this story. It was just very frustrating listening to the CS guy saying that I was wrong and this is how the joytech VT and VTC mini chips work and he could do nothing for me accept deny me my right to a warranty.
I have read horror stories about VapeNW's lack of CS... We have a similar place here in Canada, that will gladly take your money, but it's a fight right from the get go if you have any issues.