The Rinnai Screw (109001300) is a genuine OEM fastening component for i-Series Plus combination boilers. Using the correct OEM-specified screw ensures proper clamping force and secure fastening of internal boiler components during reassembly. Non-OEM substitutes may have incorrect thread pitch, head type, or material, potentially leading to stripped threads or loose components. Keep this OEM screw on hand to ensure correct, complete reassembly after any service work.
- Genuine OEM Rinnai replacement screw
- Compatible with Rinnai i-Series Plus combination boilers
- Factory-specified hardware for correct fastening and clamping force
- Prevents stripped threads caused by incorrect screw substitutes
- Essential spare part for complete and correct service reassembly