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John N. Fehlinger Co.

Steam and pressure controls since 1951

Griswold Water Systems

Liquid Separators & Filtration Equipment

JNF work closely with customers to monitor, test, and evaluate system performance both before and after installation. This attention to detail and our thorough water analysis ensures a trouble free transition to physical water treatment and provides the customer with the maximum possible water and energy savings.

For more info call 212-233-5656

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Griswold produce American-made high-quality welded filtration products, including a complete line of high-efficiency centrifugal separators and cooling tower basin sweepers. Griswold Water Systems pioneered non-chemical water treatment using electrodynamic field generation. Griswold unique synergy between advanced filtration and the most advanced water treatment has meant cleaner, greener, and more reliable HVAC systems for their  customers. Griswold provides technical solutions and improve the cleanliness and efficiency of HVAC and industrial water cooled systems.

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