USE WITH All Units All Units All Units All Units All Units All Units
2-1/2 thru 5 ton Units 3-1/2 thru 5 ton Units
9M454 917172B 15 KW Heater Package with Twin Breakers 2-1/2 thru 5 ton Units 9M458 917173B 20 KW Heater Package with Twin Breakers 3-1/2 thru 5 ton Units N/A