The Rinnai MM8K-2S, 8629 Flow Sensor is a critical component for monitoring and regulating water flow in compatible Rinnai tankless water heaters and other heating systems. Operating at 12V DC, this OEM flow sensor ensures accurate readings, optimizing efficiency and system performance. Key Features: OEM Part: Genuine Rinnai flow sensor 12V DC Operation for precise water flow monitoring Ensures Efficient Performance in tankless water heaters Durable and Reliable Construction for long-term use ?? Disclaimer This product is intended for professional use only. Installation by a certified technician is recommended. The seller is not responsible for improper installation, misuse, or any damage caused by self-installation. All trademarks and brand names mentioned in this listing belong to their respective owners. They are used for identification and compatibility purposes only. The product you receive will match the item shown in the photos. Please review all images carefully before purchasing.