Description
Rinnai 805000156 PC Board — Combi Large I Boiler Plus
Keep your Rinnai Combi Large I Boiler Plus running at peak efficiency with this genuine OEM replacement PC board (part number 805000156). Designed specifically for Rinnai’s combination boiler platform, this control board serves as the operational brain of the system — managing ignition sequencing, temperature regulation, and system diagnostics to ensure consistent, reliable heating and hot water performance.
Product Highlights
- Genuine Rinnai OEM replacement part for the Combi Large I Boiler Plus series
- Direct drop-in replacement — engineered to factory specifications for precise fit and function
- Controls critical boiler functions including ignition, temperature management, and fault diagnostics
- Restores full system operation and helps prevent recurring faults or shutdowns
- Manufactured to Rinnai’s rigorous quality standards for long-term reliability
Compatibility
- Compatible with: Rinnai Combi Large I Boiler Plus series
- OEM Part Number: 805000156
Why Choose OEM?
Using genuine Rinnai replacement parts ensures your boiler system operates within factory-specified parameters, preserving equipment warranties and avoiding the risks associated with aftermarket substitutes. This PC board is the correct, manufacturer-approved solution for restoring full boiler functionality.
Installation Note
PC board replacement should be performed by a qualified HVAC/R technician or licensed plumber familiar with Rinnai combination boiler systems. Always disconnect power before servicing.
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