5% of full range per ANSI Spec B40

Does this part replace the old 186300-000 valve

The Ranco O10-1491 uses an SPST switch that is designed to open on rise (cut-out at the high set point) to protect against overheating

System Efficiency: Restores proper flow control to radiators

Trane SWT0628 Thermal Cutout 318973-401 5% of full range perThe Trane SWT0628 Thermal Cutout is a mission critical safety component designed for precise HVAC temperature limiting. Engineered for high demand environments, this manual reset limit switch is calibrated to open at 200F (93C), effectively interrupting the control circuit to prevent catastrophic system failure or heat stress in heat pump and air handler applications. As a genuine OEM Trane replacement part, it ensures mechanical compatibility and