Scale inhibitor · Whole home

KSCALS Scale Inhibitor System

Scale Inhibitor System for use with Kings Peak water heater.

• Active food safe phosphates inhibit calcium and magnesium water minerals to bind in solution, reducing scale build-up and improving the quality of your water.
• Scale Inhibitor designed for scale and corrosion inhibition to help extend life of hot water systems, pipes and downstream plumbing fixtures.
• Manufactured from FDA CFR-21 compliant materials, Food-grade BPA-free plastic housing
• Flow rate up to 10 GPM to be able to meet water demand for the whole home.

From the Kings Peak store listing, read 2026-10-28.

A scale inhibitor, cartridge or filter is not a water softener and does not qualify for the KNG199ICW heat-exchanger flushing exception. Follow the flushing guidance in your manual and Knowledge Center.

Add the KSCALS scale inhibitor system to your KNG199ICW order to receive it free. KSCALS is not added automatically and will not be shipped unless it is included in your order.