Over time even the highest quality parts of your gas log and fireplace can wear out. This is why The Fireplace Doctor offer up its full line of lighter kits, gas keys and shut-off valves. Our complete selection of chimney knobs come in an array of sizes from different manufactures. This makes it easy for you to find the exact parts you need to keep your gas appliance running smoothly. We have our entire assortment of chimney knobs, gas keys, shut-off valves and lighter kits in our online store.