Description
The Navien 30008171A Water Inlet Filter is a genuine OEM replacement filter designed to protect your Navien NPE and NCB series condensing tankless water heaters by preventing debris, sediment, and particulates from entering the water inlet. Engineered for reliable filtration and long-lasting performance, this compact filter helps maintain proper water flow and system efficiency while reducing wear on internal components. Easy to install and built to Navien’s OEM standards, the 30008171A ensures dependable operation and longevity for residential and light commercial tankless water heating systems. Does not include O-ring.
Features:
- OEM Navien Replacement Filter – Genuine factory-made inlet filter engineered specifically for Navien tankless water heaters.
- Protects Critical Components – Helps prevent debris, sand, and sediment from entering the water inlet to reduce internal wear.
- Maintain Optimal Water Flow – Promotes consistent flow rates and efficient heater performance.
- Compact, Easy-Install Design – Simple retrofit replacement for routine maintenance.
- Compatible with Navien NPE/NCB Series – Designed for use with Navien Premium condensing tankless models (e.g., NPE-150S, NPE-180S, NPE-210S, NPE-240S).
- Durable Polyphenylene Construction – Resists corrosion and wear for long service life.













