our Grill Gauge propane monitor lets you know when to grill— and when to refill! no more empty propane tanks during family cookouts or when your propane supplier is closed. you’re sure to be prepared for all grilling occasions with the brookstone® Grill Gauge. OC K OC K danger Failure to follow these instructions may result in an explosion or fire that may cause property damage, serious injury or death. your Grill Gauge is equipped with a backcheck module that prevents propane from flowing until