The 1-Hour Gas Timer with E-Stop is an emergency shut-off, mechanical timer, and manual shut-off gas valve designed to be installed on the inlet side of a gas appliance to enable the user to manage the time gas is allowed to flow to a gas appliance. this is often a mechanical timer (no batteries or power required) that has the flexibility to manage the gas flow for 1-hour (60 minutes). additionally, both models have an emergency shut-off (red knob) that allows the user to quickly and easily shut the gas completely OFF, should the necessity arise. Top Fires 1-Hour Gas Timer ensures that your gas fire pit turns off automatically and safely after the set time. The Emergency stop button allows the user to instantly and safely shut off the fire pit. With a timer, you'll be able to just set the time and leave your fire pit, worry-free, without wasting gas. There are two different timers with e-stop available, 1 Hour Gas Timer and 1 Hour Gas Timer with Mounting Plate, just choose one that best meets your needs. Features Outdoor Rated 4X Gas Entries (1/2'') No conversion required Type: Emergency Stop Button CSA and ANSI Approved Can replace Manual Shut-Off Valve Dimensions: 4" H x 2 7/8" W x 2 1/8" D 1 Hour Gas Timer with E-Stop for Gas Fire Pits Compatible with Propane (LP) or Natural Gas (NG) Fire Pits CA Residents: See Prop 65 WARNING Downloads Owners Manuals & Spec Sheets