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Limescale Problems

Problems Solutions Case studies KalGUARD

Limescale makes a major contribution to the running costs of heating and hot water systems used in both building services and industrial applications. In the UK alone the cost of limescale formation to industry is estimated at over £1bn per annum and the cost to the environment through wasting energy is equally significant.

Limescale Effects

Limescale has the potential to impair performance at many points in a water system, resulting in: 

  • Inefficient heat transfer – on heat exchange surfaces More info
  • Blocked pipes – requiring early replacement.
  • Seized valves – due to mineral deposits 
  • Blocked showerheads – requiring early replacement. More Info 
  • Unsightly deposits – discoloured sinks, tubs and toilets. More Info

Limescale Costs

Repair costs and efficiency reductions in hot water systems increase your expenses and decrease your credibility with clients. Plumbing repairs on rental units and in hotel rooms, and downtime on your manufacturing line due to plumbing emergencies, all result in lost income.

• Downtime - lost income, loss of productivity. More Info
• Energy costs – increase depending on the amount of limescale. More Info
• Replacement costs - on systems, pipes, valves etc.

Inefficient Heat Transfer

Research shows a 25mm layer of limescale on a heat exchange surface reduces heat transfer by 95% (Glater et al 1980). This has an implication on energy costs which increase in accordance with the amount of limescale. For example; a 1mm of layer of limescale raises energy costs by 7.5% while a 12mm layer raises energy costs by 70%.

Blocked Showerheads

Limescale buildup is a common cause of poor flow from showerheads. The warmer the water, the greater the level of deposit. Showerheads are a common symptom of hard water problems, and modern, low flow showerheads are even more susceptible to blockage.

Unsightly Deposits

Hard water limescale deposits mar the elegance of any sink, tub or toilet, no matter how stylish or expensive the product. The deposits are difficult to clean, and the porous surface attracts and retains dirt much more than a clean, smooth porcelain surface.

Downtime

Limescale issues reduce profitability. Whether you shut down a manufacturing line to repair a valve, or leave a rental vacant for plumbing emergencies, it all cuts into your bottom line. Prevention is the best way to keep costs in line and productivity high.

Energy Costs

Energy efficiency for hot water hearting drops dramatically with every millimetre of limescale deposit. Whether you are heating water for a radiant heating system, or for your morning shower, keeping your heating elements scale free is essential to heat transfer and low energy costs.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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