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voltage should be verified against your specific controller (120V/60Hz is standard for the SN2 series)
reducing vibration-induced fatigue on capillary tubes
Key Benefits for Technicians Precision Fit: Designed strictly for Weil-McLain GV90+ boilers
Is the Danfoss 121L3277 a replacement for the 120U3277
High-Altitude Compatibility: Designed to maintain accurate trip points in challenging venting environments
Lochinvar & A.O. Smith 100275527 Flue Sensor 321042-401 voltage should be verified againstThe 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
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