AZ Patio Heaters THP-ATM Anti Tilt Switch for Patio Heater New manual style anti tilt switch, 2012 heaters or newer For safety, if the heater tips or falls over, this device will automatically shut your heater off Can be used in Garden Treasures heater model 0574422 sold at Lowes in 2014/2015. Will fit Home Depot models: HSS-A-SS, HSS-A-GH, GS4400BK, GS4400GD, GS4400SS Built to Last All AZ Patio Heaters products include a one year warranty against manufacturer defects. We are one of the only suppliers in the US to maintain a complete line of replacements parts and a full service repair center