Burnham specs several burners for this MST396
The insertion dept for the air tube on the Riello burner is 10" yet the insertion depth on Beckett (L retention head) is only a few inches. Why such a huge difference in the insertion depth?
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The insertion dept for the air tube on the Riello burner is 10" yet the insertion depth on Beckett (L retention head) is only a few inches. Why such a huge difference in the insertion depth?
