This part fits your Packaged Unit/RTU
Propane orifice burner orifice.
OEM Part - Manufacturer #661045R
This part fits your Packaged Unit/RTU
Burner orifice
OEM Part - Manufacturer #661042R
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This part fits your Packaged Unit/RTU
Orfice #43 h
OEM Part - Manufacturer #661043R
This part fits your Packaged Unit/RTU
LP orifice
OEM Part - Manufacturer #661036R
This part fits your Packaged Unit/RTU
Orifice
OEM Part - Manufacturer #663545