Sensus 138-18-021-04 Spring the T-4000-3142 is designed strictly

the T-4000-3142 is designed strictly for horizontal mounting

This prevents common issues like "lazy flames

When replacing a clogged or calcified humidifier water nozzle

making it an essential stocked item for commercial and residential steam or hot water maintenance

Seamless Compatibility: Optimized for the Bray DC-series

Sensus 138-18-021-04 Spring the T-4000-3142 is designed strictlyThe 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,