. Some of these services include: On-Site Water Treatment Analysis Customer Training Programs Boiler Descaling Chemical Program Development Scale Deposit Analysis Hot Water Boiler... System Cleaning & Flushing Our service department installs full chemical injection systems, chemical feed vats and a wide array of chemical treatment controls and equipment...Services - Westchem Mfg. Ltd. Water Treatment Services .Westchem provides comprehensive on-site services to our Industrial Water Treatment Customers throughout British Columbia...