replacing the cleanout plate seal is a standard best practice to prevent carbon monoxide leaks and ensure the vacuum pressure remains within manufacturer tolerances

To avoid moisture-related copper plating and acid buildup

providing a reliable mechanical advantage during service

Ensures reliable 24V control power for critical HVAC functions

the Emerson EK-163S is specifically designed for liquid line installation

Sensus 143-16-021-06 Orange Spring replacing the cleanout plate sealThe Sensus 143 16 021 06 Orange Spring is a critical calibration component for field technicians servicing Sensus gas pressure regulators. This performance grade spring is specifically engineered to maintain precise outlet pressure control in high demand residential and commercial environments. When installed in the Sensus 243 12, 122 12, or 121 12 series, it provides a stable orange spring outlet range of 1228" WC. For higher pressure requirements in