Teledyne Laars 10098904 Cupronickel Heat Exchanger, 18 Tube Assembly, with glass-lined tubs, 3500I (indoor), 3200E (outdoor), Previous Part #20098904
Used on the following models:
AP3200, AP3500, HH3200, HH3500, PH3200, PH3500, PW3200, PW3500, VW3200, VW3500,
MT3200, MT3500.