Lennox - H4817 - replacement burner used on the LSM40MN-2, LSM40MP-2, LSM40EN-2, LSM45MN-2, LSM45MP-2, LSM45EN-2, LSM-40, LSM-45, LSM-40MN-2, LSM-40MP-2, LSM-40EN, LSM-45MN-2, LSM-45MP-2, LSM-45NE-2, LSM 40, LSM 45, LSM 40NM-2, LSM 40MP-2, LSM 40NE-2, LSM 45NM-2, LSM 45NP-2 & LSM 45NE-2