Photo 1 of AB WiseWater Side Arm Heat Exchanger 38" Double Wall Fin Heat Exchanger Fin-Enhanced Stainless Steel 304 3/4"FNPT Water Heater and 3/4" FNPT Cold Water 18,500 Btu/hr 40Gal-3/4''Shell+3/4'' Tube+Double Wall

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Photo 1 of AB WiseWater Side Arm Heat Exchanger 38" Double Wall Fin Heat Exchanger Fin-Enhanced Stainless Steel 304 3/4"FNPT Water Heater and 3/4" FNPT Cold Water 18,500 Btu/hr 40Gal-3/4''Shell+3/4'' Tube+Double WallPhoto 2 of AB WiseWater Side Arm Heat Exchanger 38" Double Wall Fin Heat Exchanger Fin-Enhanced Stainless Steel 304 3/4"FNPT Water Heater and 3/4" FNPT Cold Water 18,500 Btu/hr 40Gal-3/4''Shell+3/4'' Tube+Double WallPhoto 3 of AB WiseWater Side Arm Heat Exchanger 38" Double Wall Fin Heat Exchanger Fin-Enhanced Stainless Steel 304 3/4"FNPT Water Heater and 3/4" FNPT Cold Water 18,500 Btu/hr 40Gal-3/4''Shell+3/4'' Tube+Double Wall