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Boiler accessories are required for the safe, clean and service-friendly setup of a heating installation. In this category, you will find accessories and additional components for installation, connection, service, maintenance and replacement around central heating boilers.
When choosing boiler accessories, application, connection size, material, compatibility, mounting position and maintenance access are important. Hewa supplies boiler accessories for installation companies, commercial projects, renovation, service work and technical heating systems.
Brands
OEG 512230010 – Nickel-Plated Filling and Drain Valve G 1/2" M
Item no. 340010EAN 4038222198457
Price excl. VAT€ 8,22Price incl. VAT€ 9,95
In stock
Added
Mikoterm CPK09-M - Cascade regulator for TK-24 Professional electric boilers
Item no. 383009EAN 8721225900617
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Op nalevering
Added
Mikoterm OTC sensor - Outdoor temperature sensor for TK-24 Professional electric boilers
Item no. 383010EAN 8721225900624
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Op nalevering
Added
General Mitra 25S – Smart wireless thermostat (230VAC)
Item no. 440252EAN 8690301452244
Price excl. VAT€ 82,60Price incl. VAT€ 99,95
In stock
Added
Mikoterm HT 130 – Wireless Room Thermostat (230VAC)
Item no. 381302EAN 7141211280775
Price excl. VAT€ 66,07Price incl. VAT€ 79,95
In stock
Added
Choosing boiler accessories
Boiler accessories are used to connect a heating installation correctly, mount it safely and keep it accessible for service and maintenance. The right accessories support a clean system setup and help with replacement, renovation and project-based installation.
When selecting accessories, connection size, dimensions, material, pressure rating, application and compatibility with the boiler or existing installation are important. Also view central heating connection materials for installation and service, thermostats for heating control and gas boilers for replacement and renovation.
Important for boiler accessories
- Check connection sizes, material and application per component
- Match accessories to the boiler type and existing installation
- Pay attention to access for maintenance, inspection and service work
- Use suitable accessories for safe installation and connection
- Check pressure, temperature, sealing and system compatibility
- For project installations, choose components that can be applied consistently
Frequently asked questions about boiler accessories
Which accessories are important for a boiler?
Important boiler accessories include connection materials, shut-off valves, couplings, sealants, thermostats, safety components and parts for service or maintenance. The right choice depends on the boiler and system layout.
Are boiler accessories universal?
Not always. Check per component whether the connection, dimensions, material, pressure rating and application match the boiler and the existing installation.
What should an installer check during installation?
An installer should check safe connection, correct sealing, maintenance access, system pressure, temperature load and compatibility with other components in the installation.
When should boiler accessories be replaced?
Accessories are often replaced during renovation, boiler replacement, leakage, wear, maintenance or when existing components no longer meet the technical requirements of the installation.