Power Flushing in Walderslade

What a Power Flush Does for Your Heating

A power flush is a complete internal clean of your central heating system. We attach a specialist pump to your pipework and circulate a cleaning chemical — typically Fernox or Sentinel — at high flow rate through every radiator, pipe, and through your boiler's heat exchanger. The chemical dissolves sludge, rust, and limescale, and the pump pushes the contaminated water out of the system.

Because Walderslade sits in Kent's hard water zone, limescale is a constant threat to heating systems in the area. It forms a hard crust on the inside of the boiler heat exchanger, which reduces its efficiency and can eventually lead to overheating and component failure. Sludge settles in the bottom of radiators, blocking the flow of water and creating the cold patches that homeowners notice first.

After the flush, we fill the system with clean water and add a corrosion inhibitor to protect the cleaned surfaces. We strongly recommend fitting a magnetic filter, which catches metallic particles continuously and keeps the system cleaner for longer between flushes.

How to Tell Your Heating System Needs Flushing

• Bottom half of radiators stays cold while the top is warm
• Certain rooms never reach a comfortable temperature
• Boiler produces kettling, rumbling, or banging noises
• Heating is noticeably slower to warm the house than it once was
• Bleeding radiators produces dark brown or black water
• Boiler keeps losing pressure or tripping fault codes

Walderslade Properties and Heating Systems

Walderslade's housing was built in distinct phases. The Walderslade Village area, developed in the 1970s and early 1980s, features a mix of three- and four-bedroom detached houses with larger heating systems — typically 10 to 14 radiators. These systems have been running for four decades or more, and the original radiators are often still in place even where the boiler has been replaced once or twice.

The Princes Park development, built in the 1980s and 1990s, has slightly newer systems but still presents sludge issues after 25 to 35 years of use. The larger properties in this area often have extended systems where additional radiators were added when conservatories or loft conversions were completed, creating additional pipework runs that can harbour sludge.

The elevated position of Walderslade, sitting above the Medway valley, means the area can be particularly exposed during cold weather. A heating system running at full efficiency is not a luxury here — it is a necessity. A power flush ensures your system can deliver heat quickly and evenly to every room.