modulating the needle valve to compensate for load fluctuations

Can these flanges be used in potable water systems

Is the Carrier 319847-401 compatible with Bryant or Payne units

75 inches for versatile mounting

Carrier 347015-706 Switch 318973-401 modulating the needle valve toThe Carrier 347015 706 Switch is a critical OEM replacement part designed for precision furnace air pressure monitoring in high efficiency Carrier, Bryant, and Payne heating systems. This pressure switch assembly acts as a primary safety mechanism, ensuring the inducer motor establishes a proper vacuum before allowing the ignition sequence to proceed. Engineered for industrial grade reliability, the 347015 706 detects specific pressure differentials