Lau 60331503 Bushing 318423-701 The Sensus 143-16-021-04 Blue Spring

The Sensus 143-16-021-04 Blue Spring is a critical calibration component engineered specifically for Sensus 243-12 and 121-12 gas pressure regulators

a separate fan motor may be required for a complete repair

Simplified Field Service: Standard two-pin terminal configuration allows for rapid diagnostic testing and replacement

using the correct orifice part number 143-62-023-37 is critical for achieving the specified SCFH flow capacity and ensuring over-pressurization protection when paired with the appropriate internal relief valve (IRV) setup

and BX section v-belts

Lau 60331503 Bushing 318423-701 The Sensus 143-16-021-04 Blue SpringThe Lau 60331503 Bushing is a high performance H Series Split Taper Bushing engineered for precision power transmission in commercial and industrial HVACR systems. Built for the rigorous demands of blower and fan assemblies, this critical component provides a secure, reliable connection between the drive shaft and the hub. This specific model features a 1 3 8" bore size complemented by a standard 5 16" x 5 32" keyseat, ensuring an exact fit and