Pfannenberg 42122505001 Pww 25000 Cl Ul Cus MSRP: Now: $27,288.06 Was: PWW 25000 CL UL CUS; Indoor use only (IP 54); 85300 Btu @ WP59/WS77; 460 VAC; RAL 7035 (Lt. Gy)The passive cooling theory is the foundation for the PWW 25000 Water/Water Heat Exchangers... MSRP: Now: $27,288.06 Was: