Usage Tips:69L17 Pilot Assembly Used for Natural Gas ONLY. Including Thermopile, Thermocouple, Ignitor Wire, Pilot Tubing (Pilot Hood). Replaces Old Part Numbers: 69L1701 & 904405, LennoxPart #69L17. For Elite, Merit, Serefina, Superior, Astria Fireplaces and Inserts. This is an SIT pilot assembly and will only work with units with a SIT valve and pilot assembly. NATURAL GAS (NG) PILOT ASSEMBLY FITS THE FOLLOWING MODELS Elite Fireplaces EBVCLNM, EBVCRNM, EBVPFNM, EBVSTNM, ED3530CNM, ED4035CNM-2, ED4540CNM-2, EDCLNM-2, EDCRNM-2, EDPFNM-2, EDSTNM-2, EDV3530CNM, EDV3530CNM-B, EDV4035CNM, EDV4035CNM-B, EDV4540CNM, EDV4540CNM-B, EDVCLNM, EDVCRNM, EDVPFNM, EDVSTNM, ELDV35NM, ELDV40NM, ELDV45NM. Merit Fireplaces -3530CNM, -4035CNM, LMDVR-3328CNM, LMDVT-3328CNM, MLDVT-30NM, MLDVT-35NM, MLDVT-40NM, MLDVT-45NM, MPB-3328CNM, MPB35ST-NM, MPD-3530CNM (SIT), MPD3530CNM-B (SIT), MPD35ST-NM, MPD-4035CNM (SIT), MPD4035CNM-B (SIT), MPD-4540CNM (SIT), MPD4540CNM-B (SIT), MPD5330CNM, MPDR3328CNM (SIT), MPDT3328CNM (SIT). Serefina Fireplaces CI1500DVF, CI1502DVF, CI1504DVF, CI1506DVF, CI1508DVF-2, CI2500DVF, CI2502DVF, CI2504DVF, CI2506DVF, CI2508DVF-2. Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:Photo Color Material:Metal Package Contents: 1 x 69L17 Pilot Assembly Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.