Answer Ken, The 6931EL3003D rated to open at 257 ± 9°F Hi Limit Thermostat. The 6931EL3002M is rated to open at at 266 ± 12°F Thermal Cut Off. If either component fails, the manufacturer recommends both components be replaced at the same time. Thanks, Read More... Answered by AppliancePartsPros.com | Thursday, February 7, 2019