The Southbend 1008751 Range Orifice 51 helps provide controlled gas flow for consistent burner heating in compatible commercial ranges. Designed as a replacement burner orifice with a size 51 opening, it works by metering the amount of gas delivered to the burner, helping produce a stable flame and maintain proper heat output during cooking. Accurate gas flow supports efficient fuel u... https://partsfe.ca/orifice-51-for-southbend-part-1008751