Description
The Navien 30004819C is a genuine OEM plastic 3-way valve designed as a direct replacement component for compatible Navien heating and hot water systems. Engineered to Navien’s exacting standards, this valve ensures proper flow diversion and system balance, helping maintain peak efficiency and reliable performance across your hydronic or domestic hot water application.
Key Features
- Genuine Navien OEM replacement part (SKU: 30004819C)
- 3-way valve design for precise flow diverting or mixing control
- Plastic construction for corrosion resistance and lightweight durability
- Engineered for direct fit in compatible Navien systems
- Helps maintain system efficiency and proper water flow distribution
Application
This valve is intended for use in Navien condensing boilers and tankless water heater systems that require a 3-way valve for flow control. Always verify compatibility with your specific Navien model before installation. For best results, installation should be performed by a qualified HVAC or plumbing technician.
Why Choose OEM Parts?
- Guaranteed fit and function for your Navien system
- Maintains manufacturer warranty compliance
- Reduces risk of premature failure associated with aftermarket substitutes







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