Why don't you just go to something that you can build a coil in like the Kanger STM. Really easy to build the RBA section not expensive and you can get every piece of it separately so you don't have to worry about breaking anything. I have gone to just using those. They work great with Kanthal, NI200 or Ti and have to be one of the easiest to place the coil on. I gave up on trying to rebuild heads. Isn't DIYing great. It took me a long time to find the flavors that made me really happy. I like flavors that only take a single flavor to be good. It is a little expensive to get what I like but I did find one place in the world to get Baker Flavors and it is in Germany. Getting it from the maker in Russia is almost impossible. I can't wait to get my next order. I got about 9 flavors some I love some I don't know about but I'm sure they will be great. Going to get 250ml total which is enough to make 6500ml of juice. going to make a couple of combos with creme and fruit. It is amazing when you find flavors that 10ml will make at the least 300ml of juice and some that will make 600ml. Not bad for $6 US plus shipping. For that much juice shipping is between $25 and $30
Well I've got 1RBA and enjoy building on it. Just really want to try doing the BVCs.