CST Industrial Series Single Water Softeners | Model# CST-900-3

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The ‘CST’ water softener systems are designed to fit the requirements of many types of commercial and institutional applications. Whether it is for boiler feed or domestic supply water for a school or hotel, the CST offers a robust and efficient solution for reducing mineral scale, soap usage, and energy consumption in the plumbing and other water-using equipment.

Standard Features of Model CST-900-3
• Carbon steel resin tanks with epoxy-lined interior
• Upper/Lower vessel handholes (4″x 6″)
• Piston driven, multiport, top mount control valves
• Meter initiated regeneration cycle
• Brine tank assembly with safety overflow
• Sodium form cation exchange resin
• Water hardness testing kit


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Manufacturer CWS
Series Industrial Single Water Softener
Model Number CST-900-3
Part Number CST-900-3
Shipping Weight 3810 Pounds
Continuous Service Flow Rates 200 GPM
Peak Service Flow Rates 268 GPM
Back Wash Flow Rates 45 GPM
Service Pipe Size 3"
Maximum Salt Usage 900,000 Grains
Overall Length 90"
Minimum Exchange Capacity 600,000 Grains
Overall Width 42"
Overall Height 109"
Resin Volume 30 Cubic Feet / Tank
Softener Tank Length 42" x 60"
Brine Tank Length 42" x 60"
Salt Storage 1940 Pounds

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