Replacement natural gas (NG) main burner orifice #43 (.0890 DIA.) for FMI gas fireplaces. May fit many models, please check your owner’s manual for part number compatibility.
IHP part # J3878
Replaces old part number 104506-01
OEM IHP part
This product carries a one year warranty. The warranty is void if the part is installed in a unit the part was not designed for.
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