Description
The Noritz NPF137 is a genuine OEM O-Ring (P22) designed as a precision replacement seal for compatible Noritz tankless water heater models. Engineered to factory specifications, this O-ring helps maintain a secure, leak-free connection within the water heater assembly, protecting system integrity and extending equipment service life.
Key Features
- Genuine Noritz OEM replacement part (P22 O-Ring)
- Engineered to factory specifications for precise fit and function
- Helps prevent leaks and maintains system pressure integrity
- Designed for use with compatible Noritz tankless water heater models
- Easy drop-in replacement for routine maintenance or repair
Why Choose OEM Parts?
Using genuine Noritz replacement parts like the NPF137 O-Ring ensures your tankless water heater operates at peak efficiency. OEM components are manufactured to exact tolerances, reducing the risk of premature failure and helping preserve any existing equipment warranty. Whether you’re performing scheduled maintenance or addressing an active leak, the NPF137 delivers the reliability you expect from the Noritz brand.
Application
- Replacement O-ring seal for Noritz tankless water heater systems
- Suitable for professional HVAC and plumbing technicians
- Ideal for routine preventive maintenance or emergency repair







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