HD60FQ659 is the cross of HD60FK659

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

ensuring smooth power transmission in tight-clearance equipment

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

BROAN-NuTone S99271493 Thermal Cutoff 318172-701 HD60FQ659 is the cross ofThe 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