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
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28,000 BTU (RXLD-28 and RXLS-28)
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52,000 BTU (RXLD-52 and RXLS-52)
COMPACT, EFFICIENT, BRAZED PLATE HEAT EXCHANGER
UP TO 60% smaller than traditional shell & tube and coaxial heat exchangers
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SINGLE OR DOUBLE-WALL DESIGN
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Double-wall construction for applications requiring double isolation between fluid streams
AUXILIARY CONNECTIONS EXPAND OPTIONS
Plugged connections can be used as installation points for thermowells, a drain or for flushing
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heat exchanger
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Connections located on front of heat exchanger, common to primary side of heat exchanger
115V/60Hz PUMP
Control relay (24 volt coil) located inside wiring junction box
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PROMAX SL GAS WATER HEATER OPTIONS
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Standard Vent
Direct Vent
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Power Vent
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Power Direct-Vent
STANDARDS
All components UL Listed
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1-YEAR LIMITED WARRANTY
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For complete information, consult written warranty or contact A.O. Smith Water Heaters
June 2010R
Residential Heating
®
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ARGSS00307
AOSRG46600