Griswold Controls

Griswold Controls pioneered automatic flow control with the introduction of its stainless steel flow cartridge in 1960.Over 55 years later, our innovation, quality and reliability continue to set us apart from the competition. From the original 100% stainless steel cartridge for automatic flow controls, to the Automizer® the first combination actuated control ball valve with automatic flow limit controls, Griswold Controls is the leader in HVAC technology for flow control.