This model serves as the primary Watts 0009128 replacement for legacy units including 0051209

and drain washers for a total valve overhaul

Common Questions: Is this switch compatible with 220V international models

If the system pressure is within 10% of the 80 PSI set pressure

5 dual run capacitor

Lochinvar & A.O. Smith 100164439 Assembly 320788-704 This model serves as theThe Lochinvar & A. O. Smith 100164439 Assembly is a critical digital temperature control panel designed for high performance commercial water heaters and boiler systems. As a genuine OEM replacement part, this digital temp ctrl panel assy ensures precise thermal regulation and system monitoring, which is essential for maintaining operational efficiency in demanding mechanical rooms. This assembly integrates seamlessly with the existing HVAC control