Water Leveler Installation, Repair, Problems

Normally I adjust water levelers to the lowest point where they will not suck air. (Especially after tile cleaning.) Then, when calcium deposits start to show, I raise the level a fraction of an inch, and you cannot see the scaling. Using this method, you can keep clean looking tile for a couple of years.
        There are 2 basic types of water levelers. The first is what looks like a threaded stubby brass piece, attached to a brass rod and a float. They do make all plastic models that work better, are more compact, and are easier to adjust and install, but they cost a bit more. Shut off the water before removing the old one. Use a product like "Plasto Joint Stick" only on the threads. and, BE CAREFUL THAT YOU DO NOT CROSS THREAD THESE! Yes, these can be a pain to install correctly. Call a pool pro if you don't want to fight it. By the way, you will have to purchase these from a pool supply house.
        The other type fits into a narrow tube in the decking. You can pick them up at any hardware or home supply store. Take the old one with you if there is any doubt. Yes, you need to use some pipe thread sealant on the threads, just like the previous type, and yes, be careful that you do not cross thread this type either. Adjustment depends on the type, model, manufacturer, ... read the directions that come with the leveler.
        Not a lot can be done to repair a water leveler. Replacement is usually the best response as the parts aren't that expensive.