CIMM 8 L Combi Boiler Expansion Vessel - 3/8 Connection - Compatible with Vaillant Turbotec, Ecotec

High Durability and Efficient Operation

CIMM RP250 8 L Expansion Vessel is a quality, durable product designed to balance water pressure in combi boiler systems. With a 3/8" connection diameter, this expansion vessel is compatible with Vaillant Turbotec and Ecotec combi boiler models.

Key Features

• Volume: 8 liters
• Connection Diameter: 3/8"
• Operating Pressure: 1.5 bar
• Maximum Pressure: 3.0 bar
• Test Pressure: 4.3 bar
• Operating Temperature: Between -10°C and +90°C
• Membrane Type: SBR rubber
• Origin: Italy

Compatible Models

• Vaillant Turbotec
• Vaillant Ecotec
• Other combi boiler models requiring a similar expansion vessel

What Is the Function of an Expansion Vessel?

Expansion vessels are used in combi boiler systems to balance the pressure created by the expansion of water. By preventing pressure fluctuations, they help the boiler operate more efficiently and prevent damage to the system.

Durable and Long-Lasting

The CIMM 8 L expansion vessel is made of high-quality materials. It is manufactured in compliance with EN13831 and PED 2014/68/UE standards and offers a long service life.

Frequently Asked Questions

What does a combi boiler expansion vessel do?

It balances the pressure created by the expansion of water in the combi boiler. By preventing pressure fluctuations, it helps the boiler operate efficiently and prevents damage to the system.

Which combi boilers is this expansion vessel compatible with?

It is compatible with Vaillant Turbotec and Vaillant Ecotec models; it can also be used in other combi boiler models requiring a similar expansion vessel.

What is the equivalent / original code of the expansion vessel?

Its original code is RP250; the Yedepa product code is CMM12.

What are the technical specifications of the expansion vessel?

It has a volume of 8 liters and a 3/8" connection diameter. Operating pressure is 1.5 bar, maximum pressure 3.0 bar and test pressure 4.3 bar; it operates between -10°C and +90°C, its membrane is SBR rubber and it originates from Italy.

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 installment options are available?

You can pay by debit/credit card and Tosla, and take advantage of installment/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.