Lennox M4/w4 Core Unit Controller Replacement K Part# 21L14

Weight: 3 lbs.   Dimension: 16" x 10" x 9"

Compatible Models: LGT180H401, LGH048H4ULNX01, LDT156H401, LCM060U401, LCT300S401, LGM092U401, LGT092H401, LDT150H01, LGT036H401, LGM036U401, LCM180U401, LGT048H401, LCT150H401, LCM036U401, LCT180H401, LGM210U401, LGM240U401, LGM074U401, LCT072H401, LCT036H401, LGT150H401, LGM120U401, LGT120H401, LCM156U401, LDT180H401, LGM048U401, LCM092U401, LCT102H401, LCT048H401, LDT122H01, LCT210H401, LCM102U401, LGM300U401, LCM300U401, LCM074U401, LCT240H401, LGM060U401, LDT102H01, LGH060H4ULNX01, LGT060H401, LCT060H401, LDT092H01, LCM240U401, LDT078H01, LCT120H401, LGT102H401, LCM150U401, LCM048U401, LCT092H401, LGT156H401, LGM102U401, LCM120U401, LCM210U401, LDT240H401, LGM150U401, LGH036H4ULNX01, LGM156U401, LGM180U401, LCT156H401, LGT072H401