Copper Tube Assembly used on the following models:
Mighty Therm Boilers: HH400, PH400, VW400, PW400.
C_Boiler, Mighty Therm, Copper Tube Assembly w/gaskets, 400, Built in accordance w/the requirements of the ASME Boiler and Pressure Vessel Code. Copper tube exchangers: ideal for hydronic or other closed loop, low oxygen content systems. Performs well w/normal water (7.5 to 17 grains hardness) in volume water applications.