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The 1/2-inch NPT threaded housing further simplifies conduit connections for field wiring by mechanical contractors
and the Orange wire is for 240Vac
For technicians troubleshooting intermittent lockout codes or high-resistance readings at the sensor probe
Exact OEM Fit: Direct replacement for SP11652C
Dwyer Instruments 2002 Pressure Gage 321042-401 The 1/2-inch NPT threaded housingThe Dwyer 2002 Magnehelic Gage is the industry standard for monitoring differential pressure in commercial HVAC systems, cleanrooms, and air handling units. Specifically calibrated for a range of 0 2. 0" w. c., this diaphragm actuated gage provides high precision monitoring of air and compatible non combustible gases with an accuracy of 2% of full scale. The friction free Magnehelic movement utilizes a high torque magnetic linkage rather than