meaning the contacts will close automatically once the pressure rises back to the 250 PSIG setpoint

What is the material used for this mounting plate

Dual-Function Reliability: Simultaneously manages the 35 MFD compressor load and 3 MFD fan motor load from a single housing

use a multimeter to check for continuity

Sensus 143-16-023-00 Orifice meaning the contacts will closeThe 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