OFTWH-R
OneFlow Residential Anti-Scale System for Tankless Water Heaters for up to 6 gpm (22.71 lpm)
The OneFlow® Residential Anti-Scale System for Tankless Water Heaters, Model OFTWH-R, provides protection from scale formation on internal and external plumbing surfaces. It is a single cartridge-based system that must be installed on a cold water line prior to a single water heating device (tankless water heater). Connection size is 3/4 inch (20mm) FNPT. Flow rates up to 6 GPM (22.71 lpm).
Learn more about the complete family of OneFlow solutions.
Features
- Chemical-free, salt-free scale prevention and protection system that improves efficiency of all water heating devices and downstream plumbing components
- Environmentally-friendly technology requires no electricity and generates no wastewater
- Simple shutoff and filter change with inlet ball valve and filter wrench – filter cartridge only needs to be changed every two years
- Maximum flow rate is 6 GPM
Literature
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- Catalog - Pure Water Commercial
- Catalog - Pure Water Residential
- Dimensional Drawing - OFTWH-R
- Flyer - OneFlow - Sustainability Overview
- Installation Drawing - OFTWH-R
- Installation Instructions - OFTWH, OFTWH-C, OFTWH-R
- OneFlow Frequently Asked Questions
- Specification Sheet - OFTWH, OFTWH-C, OFTWH-R
Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:
| ASSE | CSA | FM Approvals | NSF |
| UL | ULC | USC | WQA |