Fire Magic Gas Timer Box 5521-11TEnsure the safety and efficiency of your outdoor cooking with the Fire Magic Gas Timer Box Can I use the Fire Magic 5521 11T Gas Timer Box with both propane and natural gas appliances? Ensure the safety and efficiency of your outdoor cooking with the Fire Magic Gas Timer Box (Model: 5521 11T). This reliable timer is engineered to automatically shut off your gas flow after a pre set time of up to 1 hour, enhancing safety and preventing unnecessary gas