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Condominium Havblik: Danish 66-Apartment Building Eliminates Limescale with Vulcan S50, Rejects Traditional Softener

A 66-apartment condominium in Køge, Denmark installed a Vulcan S50 on the main water line to protect the entire piping system, pumps, and water tanks. They chose Vulcan over traditional softeners due to high operational costs and environmental concerns.

Project Overview

66

Apartments

Køge

Denmark

1

Vulcan S50 Unit

Location: Havblik, Køge, Denmark

Installation: Vulcan S50 on the main water line for the entire piping system

Protected Systems: All pipes, pumps, and water tanks in the basement serving 66 apartments

Havblik Condo

The Challenge

The condominium was dealing with limescale buildup in pipes and water heaters across 66 apartments. They needed to solve the problem without relying on manual cleaning ("elbow grease") or chemical treatments. Traditional water softeners were considered but rejected due to high operational costs, negative environmental impact, and effects on water quality.

The Solution: Environmentally Friendly Scale Prevention

Main Water Line

Installation: 1 x Vulcan S50 on the main water line

The condominium chose Vulcan over traditional water softeners because it eliminates:

  • High operational costs (no salt, no maintenance)

  • Negative environmental impact (no chemicals, no discharge)

  • Effects on water quality (water chemistry unchanged)

Vulcan Model Used

This condominium installed the Vulcan S50, ideal for multi-family buildings with pipe diameters up to 5 inches and flow rates up to 300 GPM.

Visual Results

Havblik Condo water softener before

Before Installation

The water piping system before the installation of Vulcan S50 showed visible scale buildup.

Havblik Condo water softener after

After Installation

The water piping system after the installation of Vulcan S50 shows clean pipes and no scale buildup.

Havblik Condo water softener after copper impulse bands

Vulcan S50 Installation

The Vulcan S50 with copper impulse bands installed on the pipe.

Results & Resident Feedback

Key Results

  • Limescale no longer sticks to or builds up on surfaces

  • Scale can be easily removed without chemicals

  • No salt, no chemicals, no ongoing maintenance

  • Environmentally friendly solution

Resident Feedback

"A resident has reported that there is a clear difference in the black sink, with limescale no longer settling on it."

Benefits for Multi-Family Buildings

All Units Protected

One unit on the main line protects all 66 apartments.

Water Heater Protection

Extends life of individual water heaters in each apartment.

Zero Maintenance

No resident cooperation needed. No chemicals to add.

Fewer Complaints

Residents notice the difference, like the black sink staying clean.

Why They Rejected Traditional Water Softeners

High Operational Costs

Ongoing salt purchases and maintenance eliminated.

Environmental Impact

No salt discharge, no chemicals, no environmental harm.

Water Quality

Water chemistry unchanged, no sodium added.

The condominium chose Vulcan for all three reasons.

Vulcan S50 Technical Specifications

Max Pipe Diameter:

5 inches

Max Water Flow:

300 GPM

Wattage:

2.25 W

Dimensions:

7.9" x 4.9" x 1.6"

Pipe Materials:

All types (iron, copper, stainless steel, PVC, PEX)

Installation:

No pipe cutting required

Maintenance:

Zero

Key Takeaway

Condominium Havblik demonstrates that multi-family buildings can reject traditional softeners entirely. One Vulcan S50 on the main water line protects 66 apartments, pumps, and water tanks with no salt, no chemicals, and zero maintenance. Residents notice the difference in their daily lives.

Related Multi-Family Case Studies

Joan Massanet Moragues

18-apartment condominium in Palma with S50.

Plaça de Miquel Dolç 5

16 apartments in Palma with S25.

Santa Margalida Complex

6 apartments in Arta with S10.

Protect Your Multi-Family Building

Reject costly, environmentally harmful softeners. Choose Vulcan for zero-maintenance scale prevention.

About the Author

Waslix provides non-chemical, maintenance-free scale prevention using Vulcan technology. This case study documents a Vulcan S50 installation protecting 66 apartments at Condominium Havblik in Køge, Denmark.

Project facts

Country
Denmark
Location
Havblik, Køge, Denmark
Industry
Accommodation
Equipment
Hot Water Tank, Main Water Line, Water Softener
Environment
Residential
Vulcan models used
Vulcan S50

Waslix gathers, organizes, and researches a massive range of products across water, light, air, and energy. We demystify complex technologies to simplify your high-involvement purchasing decisions, making complete solutions easily accessible.

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