Description
Navien 30008630D Drain Cock — M12 x P1.75 NPN
The Navien 30008630D is a genuine OEM drain cock designed for use in Navien tankless water heater and boiler systems. Featuring a metric M12 x P1.75 thread specification with NPN designation, this drain cock provides a secure, leak-free connection point for system drainage, maintenance, and winterization procedures. Using authentic Navien replacement parts ensures compatibility, proper fit, and long-term reliability in your hydronic or domestic hot water system.
Key Features
- Genuine Navien OEM replacement drain cock
- Metric thread specification: M12 x P1.75
- NPN designation for proper system compatibility
- Designed for use in Navien tankless water heaters and boiler systems
- Enables controlled system drainage for maintenance and winterization
- Ensures a secure, leak-free seal when properly installed
- Direct OEM replacement for exact fit and function
Specifications
- SKU: 30008630D
- Brand: Navien
- Thread Size: M12 x P1.75 (Metric)
- Designation: NPN
- Part Type: Drain Cock / Drain Valve
- Application: Navien Tankless Water Heaters and Boiler Systems
Why Choose Genuine Navien OEM Parts?
Using genuine Navien OEM components like the 30008630D Drain Cock ensures your system operates as designed. Third-party substitutes may not meet the precise thread tolerances or material specifications required for safe, long-term operation. Trust OEM parts to maintain your system warranty and deliver dependable performance.







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