This is a NEW - 80G1UH135DE20 85W43 Lennox 80% AFUE, Upflow/Horizontal, Gas Furnace, 135,000 Btuh Heating Capacity: 132, 000 Btuh Efficiency: 80% AFUEFunction:Replaces Old Part #s:Repair Difficulty Level:Partial List of Units that Use This Item:Hit...