Music City Metals 00017 Heat Indicator Replacement for Gas Grill Models Uniflame GBC1128W and Uniflame GBC1134W Listing is for 1 heat indicator. 3.75 x 1.875 inch heat indicator Fits Backyard Grill BY12-084-029-79, BY13-101-001-11, GBC1128W; Uniflame GBC1128W, GBC1134W