Comparison : Item # 00459-01, Sanitary Tube-in-Tube Heat Exchangers
Item # 00459-02, Sanitary Tube-in-Tube Heat Exchangers
Item # 00536-01, Sanitary Tube-in-Tube Heat Exchangers
Item # 00536-02, Sanitary Tube-in-Tube Heat Exchangers
Item # 00644-01, Sanitary Tube-in-Tube Heat Exchangers