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header-product Expansion Vessel Flamco Airfix A35 8 bar 3/4 inch
148.49 €

Expansion Vessel Flamco Airfix A35 8 bar 3/4 inch

Flamco Airfix A35 Expansion Vessel Photo 1

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Short description

Expansion vessel Flamco Airfix A35 with an 8 bar maximum pressure and 3/4 inch connection. Designed for potable water systems, booster installations, and closed heating or cooling systems to absorb volume changes caused by temperature fluctuations. Built with durable materials to ensure reliable performance, prevent pressure surges, and maintain system stability in residential and commercial applications.
Available for order: 17 pcs.
Warranty: 2 Years
SKU: 12746464
Manufacturer: FLAMCO
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
16.11.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
20.11.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
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From 1.99 €
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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 4.12 euros per month
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Product information

Description

The Expansion Vessel Flamco Airfix A35 8 bar 3/4 inch is a high-performance component designed for reliable pressure and volume regulation in various plumbing and mechanical systems. Built to handle the demands of potable water systems, booster installations, and closed heating or cooling systems, this expansion vessel effectively absorbs volume changes caused by temperature fluctuations. By maintaining consistent system pressure, it prevents harmful pressure surges and ensures long-term stability for both residential and commercial applications.

Advantages

This expansion vessel is constructed from durable, high-quality materials that ensure a long operational lifespan and dependable performance under continuous use. Its engineering is focused on protecting system components from the damaging effects of water hammer and thermal expansion. The design supports hygienic potable water applications while providing seamless integration into existing closed circuit configurations. By stabilizing pressure fluctuations, it minimizes wear and tear on pumps, valves, and piping networks, contributing to overall system efficiency.

Suitable for

  • Potable water installations
  • Booster systems
  • Closed heating systems
  • Closed cooling systems
  • Residential and commercial plumbing applications

When it may not be suitable for your needs, consider that this specific model operates with an 8 bar maximum pressure rating and a 3/4 inch connection size. If your system requires a significantly different pressure threshold or connection dimension, or if it involves non-compatible fluid types, an alternative model should be selected.

Key specifications

  • Maximum operating pressure: 8 bar
  • Connection size: 3/4 inch
  • Application compatibility: Potable water systems, booster installations, closed heating and cooling systems

How to use

Installation should be performed by a qualified professional in accordance with local plumbing and heating regulations. The vessel must be connected to the system at the designated connection point using appropriate sealing materials to prevent leaks. Ensure that the system pressure is correctly set and monitored during initial setup and routine maintenance checks. Proper mounting and periodic inspection will help maintain optimal performance and extend the working life of the equipment.

What to consider before purchase

  • Verify that the 8 bar maximum pressure matches your system requirements
  • Confirm that the 3/4 inch connection size fits your piping layout
  • Check available space in your installation area to ensure proper physical fit
  • Ensure compatibility with potable water or the specific closed heating and cooling circuit

Usage recommendations: Regularly inspect the expansion vessel and surrounding connections for signs of wear, leaks, or pressure loss. Professional maintenance checks are advised annually to ensure the system continues to operate safely and efficiently.

Description

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Product comparison

This comparison examines the Expansion Vessel Flamco Airfix A35 8 bar 3/4 inch alongside alternative engineering system devices, including the Flamco XStream Dirt Separator 3/4", as well as expansion vessels like the Meibes Airfix E DHW 25/4.0 and various Comap Contraflex and Comap Airfix E DHW models. While the Expansion Vessel Flamco Airfix A35 8 bar 3/4 inch is designed to absorb volume changes caused by temperature fluctuations in potable water systems, booster installations, and closed heating or cooling circuits, alternative products serve entirely different functions ranging from water filtration to operating exclusively in heating or domestic hot water circuits with different pressure and capacity parameters.

⚙️ Below is a comparison of technical characteristics, intended purposes, working pressures, and application scopes for each device.

ParameterExpansion Vessel Flamco Airfix A35 8 bar 3/4 inchFlamco XStream Dirt Separator 3/4"Meibes Airfix E DHW 25/4.0Comap Contraflex 50LComap Airfix E DHW 8LComap Airfix E DHW 12LPractical Conclusion
Device TypeExpansion vesselDirt separatorExpansion vesselExpansion vesselExpansion vesselExpansion vesselThe devices serve fundamentally different functions: vessels compensate for water expansion, while the separator removes debris.
Main PurposePotable water systems, booster installations, heating, and coolingEfficiently removing suspended particles and debris from heating and cooling systemsPotable water systems, domestic hot water (DHW) installations, booster systemsClosed-loop central heating systemsDomestic hot water (DHW) systemsDomestic hot water (DHW) systemsThe choice depends on whether you need to stabilize water pressure and volume or filter contaminants out of the fluid.
Maximum Pressure8 barNot applicable10 bar3 bar10 bar10 barThe Flamco A35 vessel is rated for 8 bar, fitting most residential tasks, whereas Comap Airfix and Meibes withstand up to 10 bar, and Contraflex is limited to 3 bar.
Connection3/4 inch3/4 inchNot specified3/4 inchNot specifiedNot specifiedA 3/4 inch connection on the main models ensures standard compatibility with plumbing piping.

◎ The table below shows which device is best suited for specific usage scenarios and buyer needs.

Use CaseRecommended ProductWhy
Pressure stabilization in potable water and heating systems with a moderate safety marginExpansion Vessel Flamco Airfix A35 8 bar 3/4 inchProvides reliable absorption of volume changes up to 8 bar in versatile engineering installations.
Protecting boilers and pumps from debris and buildup in heating circuitsFlamco XStream Dirt Separator 3/4"Specifically engineered for efficient particle removal and extending equipment lifespan, rather than pressure compensation.
Servicing domestic hot water systems with higher pressure demands up to 10 barMeibes Airfix E DHW 25/4.0 or Comap Airfix E DHW (12L / 8L)Feature a higher maximum working pressure limit of 10 bar and specialize in residential hot water circuits.
Servicing large closed-loop central heating systemsComap Contraflex Expansion Vessel 50LOffers an increased 50-liter capacity specifically optimized for heating loops with a lower maximum pressure limit of up to 3 bar.
Expansion Vessel Flamco Airfix A35 8 bar 3/4 inch differs from alternatives through its versatile application in both drinking water and heating systems at a working pressure of up to 8 bar. This product is most suitable for residential and commercial property owners who need reliable pressure stability maintenance and thermal expansion absorption. A buyer might prefer it over specialized Flamco dirt separators, smaller or larger Comap tanks, or devices with different pressure ratings (such as Meibes and Comap Airfix with a 10 bar limit or the heating-specific Comap Contraflex at 3 bar) if their project requirements call for a different capacity or mechanical impurity protection.
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Customer reviews

Customer questions

FAQ

How much does the Flamco Airfix A35 Expansion Vessel cost, and is it available for purchase?

The price is 148.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 17 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.11.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can Flamco Airfix A35 Expansion Vessel be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Flamco Airfix A35 Expansion Vessel online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All FLAMCO products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized FLAMCO service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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