The Rinnai O-Ring (807000338) is a genuine OEM sealing component for i-Series Plus combination boilers. Proper sealing throughout the water circuit is essential for system reliability and long-term efficiency. This O-ring is engineered to the exact OEM specifications for the correct size, material, and temperature resistance required in Rinnai i-Series Plus boilers. Replace as needed to maintain proper water circuit sealing and prevent leaks.
- Genuine OEM Rinnai replacement O-ring
- Compatible with Rinnai i-Series Plus combination boilers
- Ensures durable, leak-free sealing in the water circuit
- OEM-specified material for correct temperature resistance
- Recommended replacement during all hydraulic service