Please Note: This user is a non-member guest and is in no way affiliated with NACHI. The -411- indicates the size and number of phases.
211 - 1.5 ton - single phase 213 - 1.5 ton - three phase 261 - 2 ton - single phase 263 - 2 ton - three phase 311 - 2.5 ton - single phase 313 - 2.5 ton - three phase 411 - 3 ton - single phase 413 - 3 ton - three phase 461 - 3.5 ton - single phase 463 - 3.5 ton - three phase 511 - 4 ton - single phase 513 - 4 ton - three phase 651 - 5 ton - single phase (yes, 65 is 5 ton, not a mistake) 653 - 5 ton - three phase I got these from Lennox a few years ago when I called Lennox. Mercruiser scorpion 350 manual.