Description
Rinnai 105002075 Water Flow Sensor Overview
The Rinnai 105002075 is an OEM replacement water flow sensor designed for use with Rinnai 50R, 75R, and 94Ls series tankless water heaters. This sensor is a critical component responsible for detecting water flow through the unit and signaling the heater to activate, ensuring consistent and reliable on-demand hot water delivery. Replacing a faulty or worn flow sensor restores proper system operation and prevents nuisance no-ignition or no-heat calls.
Key Features
- Genuine Rinnai OEM replacement part (Part No. 24042)
- Compatible with Rinnai 50R, 75R, and 94Ls series tankless water heaters
- Detects water flow to trigger heater activation for on-demand hot water
- Engineered to OEM specifications for reliable, long-lasting performance
- Direct drop-in replacement — no modifications required
- Helps restore proper ignition sequencing and heater operation
Compatible Models
- Rinnai 50R Series Tankless Water Heaters
- Rinnai 75R Series Tankless Water Heaters
- Rinnai 94Ls Series Tankless Water Heaters
Application
Ideal for HVAC and plumbing technicians performing service, maintenance, or repair on Rinnai tankless water heating systems. Always verify compatibility with the specific model and serial number before installation.
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