| 1. | A.O. Smith Water Heater AOSRG46600 User Guide Smith Residential Heating ProMax xl CIRCULATING LOOP HEAT EXCHANGERS The ProMax XL circulating loop heat exchanger is designed specifically for installation with A O Smith ProMax SL Side Loop gas water heaters The combination of a ProMax SL water heater and ProMax XL heat exchanger provides domestic hot water and an isolated source of hot water for radiant floor heating hydronic air handlers and other closed loop applications OUTPUT OPTIONS 28 000 BTU RX |
 |
||||||||||||