Description
The Rinnai 804000120 is an OEM combination pressure sensor and adapter kit designed for use with Rinnai combi boiler systems. This kit provides the essential components needed to restore accurate pressure sensing and ensure safe, reliable system operation.
Product Overview
Engineered specifically for Rinnai combi heating systems, this kit includes a pressure sensor and the corresponding adapter required for a proper, leak-free installation. Using genuine Rinnai OEM replacement parts ensures compatibility and maintains system performance, efficiency, and warranty integrity.
Key Features
- OEM Rinnai replacement pressure sensor and adapter kit
- Designed for Rinnai combination boiler/water heater systems
- Includes both pressure sensor and adapter for a complete installation
- Ensures accurate system pressure monitoring
- Supports safe operation and system protection
- Direct OEM fit for simplified installation
Applications
- Replacement of failed or faulty pressure sensors in Rinnai combi systems
- Routine maintenance and service of Rinnai combination heating units
- Restoration of proper pressure sensing for system safety controls
Why Choose OEM Parts?
Using genuine Rinnai replacement components guarantees a precise fit, reliable performance, and continued compliance with manufacturer specifications. Aftermarket substitutes may compromise system safety and void equipment warranties.







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