Music City Metals 00013 Heat Indicator Replacement for Select Gas Grill Models by Brinkmann, Sonoma and Others Listing is for 1 heat indicator. 3.375 x 2.0625 inch heat indicator Fits Brinkmann 810-1750-S, 810-1751-S, 810-3551-0, 810-3661-F, 810-3885-S, 810-4557-0, 810-4580-F, 810-4580-S, 810-4580-SB, 810-8501-S Fits Brinkmann 810-8502-S; Four Seasons FSSHGLP; Master Cook SRGG31401, SRGG61401; Sonoma PF30LP; Surefire SF34LP; Tuscany CS784LP, SGR30MLP