CSRU1 | 5-2-1 Compressor Saver (For 1 to 3 Ton units) CSRU1 | 5-2-1 Compressor Saver (For 1 to 3 Ton units)
CSRU2 | 5-2-1 Compressor Saver for 3-1/2 to 5 Ton A/C units CSRU2 | 5-2-1 Compressor Saver for 3-1/2 to 5 Ton A/C units
