The WP/AE 9 brazed plate heat exchanger offers 100 tons evaporating and 140 tons condensing capacity. It is compatible with R-22, -134a, -404A, and other refrigerants. Low refrigerant charge, compact size, and high efficiency make the unit a cost-effective replacement for shell and tube heat exchangers, says the company. Constructed of AISI 316L stainless steel with copper brazing, connection sizes of up to 3 in. are available.

WTT America, Inc., 1630-3 Ocean Ave., Bohemia, NY 11716; 631-218-1900; 631-218-1911 (fax); (e-mail); (Web site).