Teledyne Laars 10098903 Cupronickel Heat Exchanger, 18 Tube Assembly, with glass-lined tubs, 3050I (indoor), 2800E (outdoor), Previous Part #20098903
Used on the following models:
AP2800, AP3050, HH2800, HH3050, PH2800, PH3050, PW2800, PW3050, VW2800, VW3050,
MT2800, MT3050.