The Eclipse Series PMI Pre-Mix Injector burners incorporate their own air/gas mixing system. It is only necessary to supply high-pressure (5-25 psig), natural or propane gas to the burners for operation. The Series "PMI" burner is used for a variety of industrial heating applications where a sealed combustion chamber is present, such as in kilns and furnaces.

The burner consists of a combustion block, burner casting and a high pressure mixer with valve and 30 psi gauge. Maximum capacities range from 28,000 to 348,000 Btu/hr. depending on burner model and the fuel selected.