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Boiler Accessories

Control boards, valves, sensors, heat exchangers and maintenance kits to get your boiler running again without replacing it. Over 140 original and compatible spare parts ready to ship, from the leading brands, priced from 10 to 1350 euros.
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Spare parts and accessories for boilers: what they are for

In this collection you will find spare parts and accessories for gas and condensing boilers, designed to fix a fault, complete a service or improve how the system runs. These are parts that let you restore an existing boiler instead of replacing it, with clear savings. If you are considering a full replacement instead, take a look at the wall-hung boilers and the condensing boilers.

Which spare parts you will find in the catalogue

The catalogue covers the components that wear out or fail over time. Among the most requested are:

  • Control boards and control units, the heart that manages ignition and modulation.
  • Gas valves, three-way valves and hydraulic assemblies.
  • Temperature sensors, flow switches and pressure switches.
  • Heat exchangers, primary and domestic, where heat transfer takes place.
  • Gasket kits, electrodes, fans and expansion vessels.

How to find the right part

To avoid mistakes, always start from the exact model of your boiler, shown on the data plate along with the product code. Note down the brand, model and output, then compare the original part code with the one listed on the product page. In many cases there is both the manufacturer's original part and a compatible equivalent, useful when the original part is no longer available.

Original or compatible spare parts

The original parts are made by the boiler brand and guarantee maximum compatibility. The compatible parts meet the same technical specifications at an often lower cost. For your safety, replacing components related to gas and combustion must always be entrusted to a qualified technician, so as not to compromise the warranty or the compliance of the system.

The available brands

You will find spare parts and accessories for the leading boiler manufacturers, including Vaillant, Ariston, Immergas, Ferroli, Beretta and Baxi, as well as components from specialist brands such as Caleffi and RBM.

Maintenance and boiler lifespan

Regular maintenance extends the life of the boiler and keeps consumption low. Cleaning the heat exchanger, checking the gas valve and verifying the sensors are part of the periodic inspection, to be paired with the flue gas analysis required by regulations. Having the right spare parts on hand reduces downtime and helps you schedule work before the cold season. Discover the rest of the heating category too.

Related solutions

Frequently asked questions

How do I work out which is the right spare part for my boiler?
Check the boiler's data plate, where you will find the brand, model and output, and compare the component code with the one listed on the spare part's product page. Starting from the exact model and the original code is the safest way to avoid a wrong purchase.
What is the difference between an original and a compatible spare part?
The original part is made by the boiler brand and ensures maximum compatibility. The compatible part meets the same technical specifications at a usually lower cost, and it is useful when the original is no longer available.
Can I replace the control board or the gas valve myself?
For your safety, work involving gas and combustion, such as the gas valve or the heat exchanger, must be entrusted to a qualified technician. An incorrect replacement can compromise the warranty and the compliance of the system.
How often should the boiler be serviced?
Cleaning and periodic inspection are usually carried out once a year, preferably before the cold season, while the flue gas analysis follows the deadlines set by local regulations. Having the spare parts ready reduces downtime.
Which spare parts fail most often?
The components most frequently subject to wear are control boards, valves, temperature sensors, heat exchangers, expansion vessels and gaskets. These are exactly the parts you will find in the catalogue, both original and compatible.
For which boiler brands do you have spare parts?
You will find spare parts and accessories for the leading manufacturers, including Vaillant, Ariston, Immergas, Ferroli, Beretta, Junkers Bosch, Baxi and Riello, together with components from specialist brands such as Caleffi and RBM.
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