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NIBCO VALVES F-739 is a three-inch flanged ductile iron fixed orifice circuit balancing valve designed to streamline the balancing of HVAC and mechanical hot and chilled water systems.
Utilizing the F-739 valve simplifies the process of balancing systems without the need for special tools or calculations.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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