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The RINNAI M10B-2-18 O-Ring provides a secure, leak-resistant seal for water connections in HVAC and water heating systems. Real OEM rings are engineered for a precise fit, ensuring efficient water heater operation and meeting original manufacturer standards. This O-ring is compatible with all water heaters 2KT.
Genuine OEM replacement part ensures a secure, leak-resistant seal and efficient water heater operation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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