Installation Warning

This water heater must be installed by a licensed and qualified technician. Improper installation or incorrect connections can result in severe safety hazards, including fire, explosion, or carbon monoxide poisoning. By purchasing this product, you agree to hire a trained professional to perform the installation and/or servicing of this unit. We are not responsible for any injuries, damages, or losses that occur as a result of improper installation, servicing, or maintenance.

The installer or service provider is fully responsible for ensuring that the installation complies with all applicable local, state, and national building codes and safety regulations. In many regions, a licensed contractor is required to install this unit. Failure to comply with these requirements may result in voided warranties, fines, or legal consequences. Always ensure that the technician adheres to safety protocols, including proper venting, gas line connections, and electrical work.

By proceeding with the purchase of this unit, you acknowledge and accept the responsibility for ensuring proper installation and compliance with relevant safety standards.

Product Summary

Rinnai ScaleCutter Water Conditioning System Refill Cartridge 3/4" 103000039

The Rinnai 103000039 ScaleCutter Refill Cartridge is a replacement scale inhibitor for the Rinnai ScaleCutter System. Designed to reduce scale, lime, and corrosion buildup, this cartridge gradually dissolves a scale-control product into the water stream, helping maintain optimal performance for tankless water heaters or whole-home heating systems.

Measuring 13-1/2" in height and 5" in diameter, the refill cartridge comes with a new gasket and installation instructions. It is recommended to be installed by a qualified professional according to the ScaleCutter System and connected equipment documentation to ensure proper function and leak-free operation.

Product Features

  • Replacement cartridge for the Rinnai ScaleCutter System
  • Serves as a scale inhibitor to reduce scale, lime, and corrosion
  • Helps soften and remove existing scale over time
  • Compatible with tankless water heaters or whole-home heating systems
  • Maximum water temperature: 140°F; Maximum pressure: 125 PSI
  • Dimensions: 13-1/2" H x 5" diameter
  • Includes instructions and a new gasket for installation
  • Professional installation recommended to ensure proper seating and leak-free operation
  • Restores the ScaleCutter System’s scale-control function after cartridge depletion
  • Official Rinnai service accessory for routine system maintenance

Specifications


Rinnai ScaleCutter Water Conditioning System Refill Cartridge 3/4" 103000039

BrandRinnaiSKU103000039
Product TypeScaleCutter Refill CartridgeUsed WithScaleCutter Water Conditioning System
MaterialPlastic with Scale MediaDimensions3" × 10" × 3"
Color/FinishWhiteApplicationFor Rinnai Tankless & M‑Series Boilers
Warranty – Standard for Residential1 year warranty


Shipping Policy

We use trusted freight carriers for safe and timely deliveries. For the most accurate tracking of your freight shipments, we recommend visiting the carrier's official website. Once your order is shipped, you'll receive details about the freight company responsible for your delivery and the tracking information to monitor your order's progress.  

Delivery times vary based on factors like shipping method, distance, and carrier schedules. We'll provide an estimated delivery window when you order. While we aim to meet these times, unexpected issues can sometimes cause delays. Contact us for updates.

Return & Refund Policy

We are dedicated to providing exceptional service and support. If you need to return an unused product purchased through our eBay store, we've made the process straightforward and transparent to ensure your peace of mind.
  1. Purchase Source: Returns and refunds are available exclusively for items purchased directly from our eBay store.
  2. Restocking Fee: A 15% restocking fee may be applicable to returned items, unless the product is defective.
  3. Return Window: Initiate a return by contacting our customer service within 30 days from the shipment date.
Requirements for a Refund
To ensure a smooth return process and eligibility for a refund, please adhere to the following guidelines:

  1. Resalable Condition: All returned items must be in a condition suitable for resale.
  2. No Damages: Products must be free from any damages, scratches, or defects.
  3. Uninstalled: Items must not have been installed or used.
  4. Original Packaging: Return the item in its original manufacturer packaging, including all manuals, accessories, and packaging materials.
  5. Free/Gift Items: Any free or gift items that were included with the purchase must also be returned.
  6. Packaging Integrity: Ensure there are no writings or labels on the original manufacturer packaging.

Shipping Instructions for Returns
  1. Traceable Shipping: Return packages must be sent via a traceable shipping method such as FedEx or UPS. Please avoid using USPS.
  2. Freight Equipment: Freight-bound equipment must be returned via freight carriers. If you are unsure about the return method for your products, please contact us through the eBay mail system.
  3. RMA Number: All items must be returned with their assigned Return Merchandise Authorization (RMA) number if applicable.
Our goal is to provide you with a seamless return experience. For any questions or assistance, our customer service team is here to help. Thank you for choosing us!