Not every chamber came with the plate height adjusters. And chicks in most stores are being kept in the back for a day after arrival so they don't have as many deaths in public
I personally love them, as I've said on every thread about them here. My store has seen fewer losses now as opposed to in the troughs. A LOT of stuff was going wrong for everyone a month ago, heck, I lost 2/3 of my chicks I ordered in and my brooders were perfect. People seem to conveniently...