Sensus 143-16-021-04 Blue Spring and venter seal gaskets must

and venter seal gaskets must be sourced separately if they are not being reused

the 1173830 is the official OEM substitute for the PSE-CE17 part number found in many ICP units

For 3-phase systems

and R8404 primary controls

The 24V secondary output provides a steady 1

Sensus 143-16-021-04 Blue Spring and venter seal gaskets mustThe Sensus 143 16 021 04 Blue Spring is a critical calibration component engineered specifically for Sensus 243 12 and 121 12 gas pressure regulators. Designed for high precision pressure management, this heavy duty spring provides an outlet pressure range of 5" to 8. 5" w. c. (water column), ensuring consistent delivery and stable downstream pressure in industrial and commercial natural gas applications. As a veteran grade gas regulator replacement