The Star Mfg E2-7757 Gas Fryer Orifice supports accurate gas flow to compatible commercial fryer burner assemblies for consistent heating performance. Designed with a #51 orifice size, it meters the fuel supplied to the burner, helping maintain a stable flame and efficient heat output during fryer operation. Proper gas flow allows the fryer to reach and maintain the desired cooking te... https://partsfe.com/orifice-51-for-star-part-e2-7757