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4ton
can you please tell me what size tonnage is lennox HS9-651-2P and HS9-511-1P
1 and a half
its a 4 ton
1 1/2.
Hs18-511-3p
Lennox's older systems have their own code found between hyphens in the model number. 211=1.5 ton 261=2 ton 311=2.5 ton 411=3 ton 461=3.5 ton 511=4 ton 651=4.5 ton So, in the case of your example, you have yourself a 3.5 ton, or 42000 pounds.
511 x 5
HS19 is a High Side condensing unit series 19 rated at (511) 51,000 BTU/hr or 4 tons.
12% of 511 = 12% * 511 = 0.12 * 511 = 61.32
Since 511 is a multiple of 7, it is automatically the LCM.
511 cm equals 511 centimetres.