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View Full Version : What is my tonnage?

tinkertech
Dec 14, 2009, 08:42 PM
Can someone tell me what the tonnage is of this Trane unit?Model is 4TWX4048B1000AA and Serial is 5391WY71F.
hvac1000
Dec 14, 2009, 09:03 PM
4 ton = 48,000 BTU's