Description
The Navien 30010537A is a genuine OEM replacement flow sensor designed for use with compatible Navien tankless water heaters and condensing boilers. This precision-engineered component plays a critical role in monitoring water flow through the unit, enabling the system to accurately detect when hot water demand is present and triggering the heating cycle accordingly. Replacing a faulty or worn flow sensor with the authentic Navien part helps restore proper system operation, prevents nuisance shutdowns, and protects the unit from running dry.
Key Features
- Genuine Navien OEM replacement part — ensures compatibility and reliable performance
- Monitors water flow to trigger and regulate the heating cycle
- Helps prevent dry-fire conditions and nuisance error codes
- Direct drop-in replacement for supported Navien models
- Manufactured to Navien’s strict quality standards for long-lasting durability
Application
- Compatible with select Navien tankless water heaters and condensing boiler models
- Ideal for service technicians performing routine maintenance or component replacement
Why Choose Genuine Navien OEM Parts?
Using authentic Navien replacement parts ensures your system operates as designed, maintains warranty compliance where applicable, and reduces the risk of callbacks. Always verify compatibility with the specific Navien model being serviced before installation.







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