Magnetic Filter Full of Black Sludge
The filter bowl is packed with black magnetite at every service..
The filter bowl is packed with black magnetite at every service.
What is actually going on
The filter bowl is packed with black magnetite at every service.
The realistic causes, in order
Ongoing internal corrosion, meaning inhibitor is absent, exhausted or diluted A leak somewhere in the system introducing fresh oxygenated water A system never properly cleaned before the filter was fitted
What we test on site
Inhibitor concentration in a water sample Whether the system is losing pressure and being topped up Radiator condition to see how much deposit remains in the system
Questions we get asked
What causes a magnetic filter full of sludge on a gas boiler?
Ongoing internal corrosion, meaning inhibitor is absent, exhausted or diluted
What normally puts a magnetic filter full of sludge right?
A proper clean and correct inhibitor dose changes the trend; the filter then protects rather than firefights.
Is it safe to keep using the system with a magnetic filter full of sludge?
A filter catching debris is doing its job. A filter that fills quickly every year means the corrosion cause hasn't been dealt with.