A proper service — not just a safety check. We clean the magnetic filter, test combustion, check seals, and give you a documented record of your boiler's health. CP12 landlord certificates included as standard.
A comprehensive service — not just the minimum. Includes full gas safety checks, MagnaClean filter service, water quality test and a documented record of your boiler's health. If you're a landlord, your CP12 certificate is covered too.
Book a service or WhatsApp usWe don't rush through a checklist. Every service takes around 45–60 minutes, and we check everything that matters — not just the minimum the regulations ask for.
Many engineers skip this or charge extra for it. We remove, clean, inspect and refit the magnetic filter at every service. A clogged filter can stop the boiler working properly. We record the amount of debris collected each time, so over successive services we can spot whether contamination is increasing — an early warning sign that the system may need further attention before it becomes a bigger problem.
"MagnaClean" is actually a brand name that's become the generic term — like Hoover for vacuum cleaners. We service MagnaClean, Fernox and boiler manufacturer filters. We don't service the cheap copies — they need special proprietary keys, are more prone to leaking than the main brands, and some of them don't actually filter anything useful. If your system doesn't have a filter fitted, we can quote for installing one.
We've seen boilers need expensive repairs — or be completely destroyed — because filters and seals weren't checked and cleaned at previous services.
We've seen boilers and systems fail years early because Magnacleans weren't checked or because inhibitor levels were low.
That's why we do every check properly, document everything, and don't cut corners to save ten minutes.
At every service, we test the inhibitor concentration in your system water — the stuff that prevents corrosion and scale building up inside your radiators, pipework and boiler. Many engineers don't bother. We include it because it takes two minutes, costs almost nothing, and gives you a documented record of system health.
Water quality testing at every service is now a regulation requirement under BS 7593:2019 and the 2022 changes to Building Regulations Part L. Many engineers still aren't doing it — there's been a grace period while the industry catches up.
Boiler manufacturers are starting to check service records when processing warranty claims. A service record without a water quality check is a gap that could be used to refuse a claim. We include it so you're properly covered.
Every AHS boiler service includes the full gas safety checks needed for a CP12 certificate. One visit covers your legal obligation and properly maintains the boiler.
If the property has other gas appliances that need checking:
A CP12 on its own only checks gas safety. It doesn't check efficiency, clean the magnetic filter, or look at the things that keep a boiler running properly. We always include the full service so the boiler is actually maintained, not just signed off.
For landlords, the included water quality test is particularly valuable. It gives you a documented record of system health — meaningful protection if anything is ever questioned about the heating system's condition.
Call Jade to book, or send a WhatsApp and she'll come back to you — usually within the hour during working hours.
