The S1-7680-3591 is the direct technical replacement for part number 300609025

High Flow Capacity: A 43 Cv rating ensures maximum throughput for large 2-inch pipe systems

When you are on a service call for a standard Modine unit heater

This OEM part provides the specific L180-20F or L220-40F thermal break requirements necessary for system compliance and equipment longevity

and the sealing disc required for a full internal overhaul of the valve

Carrier T111641148 Freeze Sensor Els PW 29614 The S1-7680-3591 is the directThe Carrier T111641148 Freeze Sensor is a critical safety component designed for HVAC freeze protection in residential and commercial air handling units, humidifiers, and ductless systems. This authentic OEM Carrier replacement part monitors evaporator coil and heat exchanger temperatures to prevent thermal equilibrium issues that lead to ice accumulation or coil ruptures. Operating as a low temperature cutout switch, the T111641148 triggers a system