If your Vaillant boiler stops heating water, it can be a real inconvenience. It means you or your clients are left without heating and hot

Vaillant water heaters are recognized for their reliability, combining a compact and durable design with user-friendly features and energy-efficient technology. These systems are designed to

Among all the error codes that can appear on Vaillant boilers, F4 is one of the most common. This code (often written as F.4 in

When a Fagor boiler displays error F3 (listed as F03 in the manual), it’s usually indicating a common low-pressure issue caused by a lack of

Resetting a Saunier Duval boiler is easier than it might seem. “Resetting” (a term derived from English) is one of the most basic and important

Need to Replace a Part? If your Ferroli boiler shows an F40 error, this usually means the water pressure is too high. To fix this

Need to Replace a Part? If your Ferroli boiler is showing high water pressure, it may be due to a faulty part. At Suner, you

Need to Replace a Part? If your Ferroli boiler is leaking, you may need to replace a faulty component. At Suner, you’ll find original spare

Need to Replace a Part? If you’re planning to drain your Ferroli boiler, it’s often due to maintenance, repairs, or seasonal shutdowns. At Suner, we

If your Domusa oil boiler won’t start, there may be several reasons behind the issue. It could be a fuel supply problem, a faulty ignition