8 Liter Rectangular Combi Boiler Expansion Vessel (Zilmet – with Hook – 3/8" Connection – Ferroli Compatible 39804890)

Product Description

Made by Zilmet, the 8 liter rectangular combi boiler expansion vessel is designed to be compatible with Ferroli combi boilers. With code 39804890, this model balances water expansion in heating systems, ensuring safe and efficient operation of the combi boiler. Its hook (bracket) design allows easy installation. It delivers high performance with a durable steel body, manufacture to the EN13831 standard and a 3/8" connection size.

Product Features

• Brand: Zilmet (Made in Italy)
• Capacity: 8 liters
• Model Code: 537/L – 13N OEM-PRO Family
• Compatible Part Code: 39804890
• Connection Size: 3/8"
• Design: Rectangular – with hook (bracket)
• Maximum Working Pressure: 3 bar
• Test Pressure: 4.3 bar
• Pre-Charge Pressure: 1 bar
• Maximum Temperature: 90°C
• Membrane Type: SBR membrane
• Standard: EN 13831

Applications

This expansion vessel balances the expansion of water in the heating circuit of Ferroli combi boilers, keeping system pressure stable. It prevents failures caused by overpressure and contributes to more efficient operation of the combi boiler.

Advantages

• Zilmet Italian manufacturing quality
• Ideal expansion performance with a large 8 liter volume
• Easy installation with the hook mounting design
• Manufactured to the EN13831 standard
• High-strength steel body and quality membrane
• Wide compatibility thanks to the 3/8" connection

Technical Information

With an 8 liter capacity, this model is fully suited to heating systems with a maximum working pressure of 3 bar and a test pressure of 4.3 bar. The SBR membrane developed by Zilmet provides high durability. The unit is not suitable for drinking water and must be used only in heating circuits.

Frequently Asked Questions

What does a rectangular combi boiler expansion vessel do?

This expansion vessel balances the expansion of water in the heating circuit, keeping system pressure stable. It prevents overpressure-related failures and contributes to efficient operation of the combi boiler.

Which combi boilers is the 8 liter Zilmet expansion vessel compatible with?

It is compatible with Ferroli combi boilers; the original part code it replaces is 39804890.

How is this expansion vessel installed?

Thanks to its hook (bracket) design, it is easily installed by hanging it in the combi boiler. Its connection size is 3/8" and its rectangular shape fits the mounting space.

What are the technical values of the vessel?

Its capacity is 8 liters, maximum working pressure 3 bar, test pressure 4.3 bar, pre-charge pressure 1 bar and maximum temperature 90°C. It has an SBR membrane and is manufactured to the EN 13831 standard.

Can I buy regularly with an invoice as a service company/technician?

Yes, all our sales are invoiced. All orders, including those from service companies and technicians, are placed directly through our website.

How do I track my shipment after ordering?

Your shipment tracking number is sent to your e-mail and phone after ordering; you can follow its status in the “Where Is My Shipment?” section.

Can I return or exchange the product?

Yes. Under Consumer Protection Law No. 6502 you have the right of withdrawal/return within 14 days of delivery. To avoid ordering the wrong model, we recommend that you verify compatibility before ordering. Details are on our “Delivery, Returns and Exchanges” page.

What payment and instalment options are available?

You can pay by debit/credit card and Tosla, and take advantage of instalment/credit options through Fibabanka and Akbank. Current options are listed on our “Payment Options” page.

Where is Yedepa located and how is delivery made?

Yedepa is an e-commerce site; orders are placed through yedepa.com and shipped to your address by courier from our warehouses across Turkey and from our contracted suppliers. Our head office is at Cennet Mah. 2. Yavuz Selim Cad. No:68/A, Küçükçekmece / İstanbul.