Zodiac Jandy Laars 125 Heat Exchanger Tube Assy (R0018101)

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Designed for service-focused pool and spa repairs, Zodiac Jandy Laars 125 Heat Exchanger Tube Assy (R0018101) is a replacement heater parts component for Jandy and Laars pool and s pa equipment applications. It is used for replacing the heat transfer core in the heater, and it helps restore efficient heat movement from combustion gases into pool or spa water. A correct replacement part helps preserve the original equipment layout, avoids improvised repairs, and keeps future maintenance easier to identify. This listing is written for shoppers comparing Zodiac, Jandy, and Laars replacement parts by product name, equipment family, and manufacturer part number. Before installing, shut down power and fuel or water flow as applicable, then confirm compatibility with the exact model series and the equipment's service documentation. Show more