The Star Mfg E2-7757 Fryer Orifice 51 helps regulate gas flow for consistent and efficient heating in compatible commercial fryers. Designed as a replacement fryer orifice with a size 51 opening, it works by metering the amount of gas delivered to the burner, helping produce a steady flame and maintain proper heat output during operation. Accurate gas flow supports stable fryer temper... https://partsfe.ca/orifice-51-for-star-part-e2-7757