Lochinvar & A.O. Smith 100275527 Flue Sensor 321042-401 Common Questions Is the Sporlan

Common Questions Is the Sporlan 400200 compatible with R-410A systems

Long-Term Reliability: Tested for over one million cycles with a replaceable ring packing design to extend the service life of the valve body

This is a standard 6-inch pneumatic connector

High-Altitude Compatibility: Designed to maintain accurate trip points in challenging venting environments

Lochinvar & A.O. Smith 100275527 Flue Sensor 321042-401 Common Questions Is the SporlanThe Lochinvar & A. O. Smith 100275527 Flue Sensor with integrated grommet is a critical safety and monitoring component used across high efficiency condensing boilers and commercial water heaters. This negative temperature coefficient (NTC) thermistor provides real time flue gas temperature monitoring to the control board, ensuring the appliance operates within specified thermal limits and prevents heat exchanger damage. Designed as a direct