GG-TG3 Rectangular heat indicator for old style MHP grills that has two pegs and a center probe to mount through the casting. It was used on older JNR and WNK grills. We are not sure when MHP changed to the newer heat indicator GG-TG4 that has one larger peg to mount. The GG-TG3 needs two small holes for mounting and one hole in the center for the probe. MORE...