this thermal dispersion flow switch ensures the protection of high-value equipment like Carrier 30XA chillers

Always verify the model number on the unit chassis before attempting installation to ensure correct fit and electrical compatibility

whereas common control pulls coil power directly from the line voltage

75-inch probe depth

making the Reznor 221388 Timer a critical OEM component for professional service calls

Resideo HPZC103 Controller 321894-709 this thermal dispersion flow switchThe Resideo HPZC103 Controller is a professional grade three zone valve controller designed to streamline hydronic distribution in multi zone residential or light commercial applications. Engineered for compatibility with 2 wire and 4 wire zone valves, this logic panel simplifies wiring by consolidating connections into a single interface. The HPZC103 features diagnostic LEDs to indicate zone calls and valve status, allowing technicians to