Authentic OEM replacement part ensures perfect fitment and maintains the factory-engineered pressure balance

shifting the system to "Away" settings if no motion is detected

The 700-409 is primarily utilized in 24V intermittent pilot and thermopile applications

The psi range defines the pressure required to start and complete the 5/16" stroke

BROAN-NuTone S99271493 Thermal Cutoff 318172-701 Authentic OEM replacement part ensuresThe BROAN NuTone S99271493 Thermal Cutoff is a critical safety component designed for over temperature protection in ventilation and heating systems. As an OEM authorized part, this thermal fuse is engineered to provide a precise fail safe mechanism, automatically interrupting the electrical circuit when temperatures exceed calibrated safety thresholds. This prevents potential thermal runaway and protects sensitive components like heating elements and