Description
Product Overview
WK polyphosphate water filter sachets are designed to safeguard sanitary‑grade heating systems, boilers and gas‑throughflow water heaters from mineral buildup and corrosion. Each sachet contains a precise dose of high‑purity polyphosphate, a proven scale inhibitor that remains effective over extended periods. The product complies with international food‑grade standards, including FAO/WHO and EC directives, and is manufactured in Italy using rigorously tested materials. Packaged as a 1 kg bulk unit, the set includes twelve individually sealed sachets, each weighing 2.82 oz, making storage and handling convenient for both professional installers and DIY homeowners.
Usage
These sachets are ideal for residential water heating systems, commercial boiler installations, and gas‑driven water‑heater units where scale formation can reduce efficiency and increase maintenance costs. Simply place one sachet in the water inlet or the designated filter compartment according to the manufacturer’s guidelines. The polyphosphate disperses gradually, binding calcium and magnesium ions to prevent scale adhesion on heat exchange surfaces. This solution is especially valuable in areas with hard water, extending equipment lifespan and maintaining optimal thermal performance.
Why Choose Us
Choosing WK means selecting a product backed by stringent quality controls and certifications. Our sachets meet German purity requirements for food additives, ensuring they are safe for any system that contacts potable water. The Italian production facility adheres to ISO standards, guaranteeing consistent dosage and effectiveness. With a 4.6‑star rating from over 750 verified customers, users report noticeable reductions in scale buildup and lower energy consumption. Additionally, the packaging is designed for minimal waste, and the sachets require no batteries or external power.
Key Features
- Food‑grade polyphosphate compliant with FAO/WHO and EC directives
- Prevents limescale and corrosion in water heaters, boilers, and gas‑throughflow units
- 12 individually sealed sachets in a 1 kg bulk pack for easy inventory management
- Made in Italy with ISO‑certified manufacturing processes
- Highly rated by customers for effectiveness and ease of use
FAQ
How often should I replace the sachet?
One sachet typically protects a standard residential water heater for up to three months, depending on water hardness and usage patterns. For commercial systems, replace every two months or as indicated by performance monitoring.
Can I use these sachets in a drinking water system?
Yes, the polyphosphate used is food‑grade and meets international purity standards, making it safe for any system that supplies potable water.
Do the sachets affect water taste?
No. The polyphosphate concentration is low enough that it does not alter the taste or odor of the water, while still providing effective scale inhibition.
Are the sachets compatible with all boiler types?
They are suitable for most conventional and combi boilers, as well as gas‑throughflow water heaters. Always refer to your equipment’s manual for specific placement instructions.
What is the environmental impact of the packaging?
The sachets are packaged in recyclable plastic bags, and the bulk container is made from recyclable cardboard, minimizing environmental footprint.
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