Description
The Rinnai H73-501-2 is an OEM replacement 3/4-inch water supply connection port (Port B) designed for use with compatible Rinnai tankless water heater and hydronic heating systems. Sourced directly from Rinnai, this genuine replacement part ensures a precise fit and reliable performance, maintaining the integrity of your system’s water supply inlet connections.
Key Features
- Genuine Rinnai OEM replacement part — SKU H73-501-2
- 3/4 in. water supply connection, Port B designation
- Designed for accurate fit and compatibility with applicable Rinnai models
- Maintains proper water flow and connection integrity
- Supports long-term system reliability and performance
Application
This port connection is intended for use in Rinnai water heater and hydronic systems requiring a 3/4 in. supply-side port replacement. Always verify compatibility with your specific Rinnai model before installation. Consult your equipment documentation or a qualified technician for proper installation guidance.







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