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Using this valve with R-410A will result in improper flow rates and potential system failure due to different pressure requirements
This assembly features a robust 12-volt motor
the critical level (CL) must be installed at least 6 inches above the flood rim of the fixture
The system should be near operating pressure during this test to flush the seating surface effectively
Dwyer Instruments 475-2-FM Manometer 322056-301 Using this valve with R-410AFor veteran HVACR technicians and industrial contractors, the Dwyer Instruments 475 2 FM Manometer is the trade standard for measuring differential pressure in demanding environments. This intrinsically safe digital manometer is FM approved for use in hazardous locations (Class 1, Div. 2, Groups A, B, C, D, T4), making it the go to tool for monitoring natural gas pressure on boilers and combustion equipment. With a versatile range of 0 to 40. 00" w.
