The Navien GXXX002988 is a factory-designed Plumbing 3-Valve Set engineered specifically for use with Navien NPE-A and NPE-A2 series condensing tankless water heaters. This valve set streamlines the installation and service process by providing all three essential shut-off valves in a single, matched kit — ensuring proper flow control, system isolation, and serviceability right out of the box.
Features
- Genuine Navien OEM replacement and installation valve set
- Designed for compatibility with NPE-A and NPE-A2 series tankless water heaters
- 3-valve configuration provides complete inlet, outlet, and service isolation
- Simplifies rough-in plumbing and future maintenance access
- Ensures a leak-free, code-compliant connection to the unit
- Manufactured to Navien’s quality and performance standards
Compatibility
- Navien NPE-A Series Condensing Tankless Water Heaters
- Navien NPE-A2 Series Condensing Tankless Water Heaters