Since this is a normally closed (NC) component

What is the material used for this mounting plate

though you should always verify specific local code requirements for your installation

use a multimeter to check for continuity

If the sensor detects a signal below the common 0

Sensus 143-16-023-00 Orifice Since this is a normallyThe Sensus 143 16 023 00 is a high precision 1 2" orifice specifically engineered for the Sensus 243 service regulator series. Built to handle the rigorous demands of commercial and industrial gas regulation, this brass orifice provides accurate flow control with a 10 degree valve angle design. It is fully compatible with both the Sensus 243 8 and 243 12 models, ensuring seamless integration during field maintenance or capacity adjustments. By