Sentry Water King Electronic Scale Inhibitor: Advanced Scale Protection Technology

The Sentry Water King Electronic Scale Inhibitor offers a unique approach to preventing scale formation without removing essential minerals from your water. Utilizing an electronic field, it alters the crystallization process of hardness salts, ensuring your water remains healthful.

How It Works

Unlike traditional low-powered units that rely on magnetic fields, the Sentry Water King uses an electronic field transmitted through water pipes to prevent scale build-up effectively.

Scale Protection for Your Home

With easy installation on the rising main, the Water King provides comprehensive scale protection for most homes. For homes with vented systems, installing a second unit is recommended for enhanced efficacy.

Universal Compatibility and Easy Installation

The Water King's compatibility with various pipe materials and its continuous treatment capability make it a versatile solution for scale prevention. No plumbing or downtime is required for installation, making it an accessible option for all homeowners.

Key Benefits of the Sentry Water King

Suitable for 15mm to 28mm pipes

Low running costs and minimal maintenance

Effective in removing existing scale and preventing new build-up

Backed by a 100-Day Money Back Guarantee and a 5-Year Manufacturer's Warranty

Ideal for Protecting Hot Water Boilers

The Sentry Water King is particularly effective in protecting hot water boilers from scale buildup, ensuring longevity and efficiency.

Product Specifications

Aerial Length: 1.8 m, Number: 2, Minimum Turns: 12

Frequency Range: 1 – 10 kHz, Peak Voltage: 82 V

Energy efficient with a power consumption of just 1 W

Comprehensive specs including dimensions, weight, temperature range, and more


Choose the Sentry Water King for an advanced, efficient, and eco-friendly scale prevention solution in your home. A product by Lifescience Products, leading the way in water treatment technology.