Description
The Armstrong Fluid Technology 570200-378 Flo-Trex Combination Valve is purpose-built for demanding hydronic and fluid handling systems where dependable flow control is critical. Rated at 125 PSI, this valve is designed to handle the pressures of commercial and industrial HVAC applications with confidence.
Featuring a 4″ x 4″ straight flanged connection, installation is straightforward and compatible with standard piping configurations, reducing labor time and simplifying system integration. As a direct OEM replacement, the 570200-378 ensures a precise fit and restores system performance to factory specifications.
Key Features:
- 125 PSI pressure rating for reliable, safe fluid management
- 4″ x 4″ flanged connection for easy, secure installation
- Flo-Trex combination valve design integrates check and balancing functions in a single unit
- Direct OEM replacement for Armstrong Fluid Technology systems
- Engineered for long-term performance in hydronic heating and cooling applications
The Armstrong 570200-378 is the trusted choice for mechanical contractors and facility managers looking to maintain peak system efficiency with a quality, drop-in replacement valve.







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