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The Starcastle Xiangshan Nursing Home in Beijing, sourcing water from underground wells, faced severe scaling that required frequent acid cleaning of heat exchangers and caused pump failures. After installing a Vulcan S25 on the main heat pump pipe, 9 months of operation showed eliminated scaling, no pump burnout, and dramatically reduced maintenance costs—without chemicals.
Starcastle Xiangshan Nursing Home is a premium elderly care community located in Beijing, China. Designed to provide a comfortable and safe environment for seniors, the facility spans 8,500 square meters with 77 rooms and 122 beds.
The building is thoughtfully designed with resident wellbeing in mind—over 70% of the space is dedicated to public areas, and there are open-air gardens on the second and top floors totaling nearly 2,000 square meters. For a facility of this type, reliable hot water and heating are not just conveniences—they are essential for resident health, comfort, and dignity.
8,500
m² Facility
122
Resident Beds
70%
Public Space
The nursing home's water source is underground well water, which created a cascade of operational problems:
Heat Pump Scaling: The heat pump heat exchanger required frequent acid cleaning due to serious scale buildup.
Hot Water System: The entire hot water system, including the circulating pump and water tank, was seriously scaled.
Pump Failures: The water pump was clogged and burned due to scaling, affecting normal operation.
Rising Costs: Frequent maintenance, acid cleaning, and pump replacements were driving up operational expenses.
The facility needed a solution that would eliminate scale throughout the system, prevent equipment damage, and reduce maintenance—all without introducing chemicals into a sensitive elderly care environment.
Facility: Starcastle Xiangshan Nursing Home
City: Beijing
Country: China
Water Source: Underground well water
Model: Vulcan S25
Location: Main pipe leading to heat pump (stairwell)
Installation Date: 9+ months ago
Installed by: Beijing Vulcan Water
Vulcan S25 installed on the main pipe leading to the heat pump in the stairwell
"After 9 months of installation, Vulcan effectively solved the scaling problem, the heat pump always runs efficiently and does not require frequent cleaning with acid. The circulating water pump has not been blocked and burned due to scaling, and the pipeline scaling has gradually fallen off and been significantly reduced, greatly reducing maintenance costs and avoiding the use of chemicals for scale inhibition."
No more frequent acid cleaning
No blockages or burnout
Scale falling off, significantly reduced
Reliable hot water and heating
Extends life of heat pumps and pumps
Eliminates acid cleaning and replacements
Safe for sensitive environments
Vulcan S25 Specifications
Max Pipe Diameter: | 2.5 inches (63 mm) |
Max Flow Rate: | 125 GPM (28 m³/h) |
Power Consumption: | 5 - 10 W |
Connection: | Non-invasive (wraps around pipe) |
Maintenance: | Zero |
*Login for pricing and exact specifications.
For an elderly care community, equipment failure isn't just an inconvenience—it impacts the wellbeing of vulnerable residents. The Starcastle Nursing Home's experience with Vulcan demonstrates that even the most challenging well water conditions can be tamed without chemicals. In just 9 months, a single S25 unit eliminated acid cleaning, prevented pump burnout, and restored reliable hot water—proving that the best solutions are often the simplest and most maintenance-free.
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Waslix (Vulcan Mineral Descaler) provides non-chemical, maintenance-free scale prevention using impulse technology. This case study documents the installation of a Vulcan S25 at the Starcastle Xiangshan Nursing Home in Beijing, China, solving severe well water scaling problems and eliminating acid cleaning after 9 months.
China
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