ensuring the tube covers at least 2/3 of the duct to meet NFPA 90A standards

which can damage the brass threads

maintaining structural integrity over long-term operation

Can this switch be used for both positive and negative pressure applications

this component is engineered to provide mechanical decoupling between the venter motor and the mounting plate

Sensus 138-18-021-04 Spring ensuring the tube covers atThe Sensus 138 18 021 04 Grey Spring is a high performance calibration component engineered specifically for Sensus RPC regulators. This replacement gas regulator spring is designed to provide precise outlet pressure control within the 3 to 15 PSI range. Built for heavy duty commercial and industrial gas distribution applications, it ensures the stable modulating gas pressure required for high efficiency burners, boilers, and furnaces. In the field,