THE 73510 IS AN EARLY VERSION OF KNOB FOR GAS DROP-IN STOVES. IT WAS REPLACED IN PRODUCTION WITH A MORE HEAT RESISTANT VERSION #80421. BOTH KNOBS HAVE THE SAME MOUNTING SPECIFICATIONS,
These warnings are not an indication that these products are violating any safety standards or regulations.
However, as our products might be sold in the state of California, we are legally obliged to inform customers about the potential presence of these chemicals in our products.