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

Technicians should inspect the inducer motor for proper RPM

facilitating easier retrofits in tight furnace cabinets

75-inch probe depth

The AERCO 95630109 Electronic Board is a critical high-performance control component engineered specifically for AERCO boilers and high-efficiency water heaters

Resideo HPZC103 Controller 321894-709 Always verify the model numberThe 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