About This

• 【Protects Heating Components】Functions as a effective water heater filter for scale, conditioning incoming cold water to suppress existing mineral buildup and prevent limescale accumulation, preserving heating elements and extending equipment lifespan.
• 【Replacement Cartridge】This filter cartridge react with hard water minerals to form a thin protective barrier on metal surfaces, helping deter corrosion and shield internal plumbing from hard water damage.
• 【Wide Compatibility】This #103000039 filter cartridge is compatible with Rinnai 103000038 filter housing. Installed directly on the dedicated cold water supply line feeding the water heater, this filter cartridge provides specialized point-of-use conditioning and is not intended for whole-house filtration systems.
• 【6–12 Month Cartridge Life】Each cartridge typically lasts 6–12 months, depending on local water hardness and usage. The active media gradually dissolves over time, providing consistent scale control throughout the cartridge life.
• 【Complete Replacement Kit】Includes 1*replacement scale filter cartridge, 1*housing gasket O-ring, and detailed installation/operating instructions to ensure a seamless, leak-free setup.
• 【Easy Monitoring & Maintenance】Designed for quick upright installation on cold water supply lines; features an intuitive visual indicator system so you know exactly when the internal media has fully dissolved and requires replacement.

Overview

• Brand : Generic
• Color : Transparent
• Material : Plastic
• Item Weight : 1.5 pounds
• Number of Items : 1