# Reflex DT 80 Diaphragm Pressure Expansion Vessel for Domestic Hot Water 80 Liters 16 bar 70°C Green

**URL:** https://aio.lv/en/product--reflex-7310307--12702254
**Data updated:** 2026-11-09 04:37 (EET)
**Category:** Other goods
**Manufacturer:** Reflex
**Manufacturer code:** 7310307
**EAN:** 4036705080241
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 1 928.49 €
**Prices and availability valid until:** 2026-12-12 23:59
**Price without VAT (21%):** 1 593.79 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--reflex-7310307--12702254

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.11.2026 | free |
| Pickup points | 02.12.2026 | 1.99 EUR |
| Courier delivery to door | 02.12.2026 | 4.99 EUR |

## Summary description

Reflex DT 80 diaphragm pressure expansion vessel designed for domestic hot water systems. Features an 80-liter capacity, maximum operating pressure of 16 bar, and a maximum operating temperature of 70°C. This green vessel ensures reliable pressure regulation and volume compensation in sanitary hot water installations, preventing excessive pressure buildup and protecting system components.

## Long description

The Reflex DT 80 Diaphragm Pressure Expansion Vessel is engineered specifically for domestic hot water systems to ensure reliable pressure regulation and volume compensation in sanitary hot water installations. With a substantial 80-liter capacity and a robust maximum operating pressure of 16 bar, this green expansion vessel effectively prevents excessive pressure buildup and protects system components from potential damage. It operates efficiently up to a maximum temperature of 70°C, making it a dependable component for residential and commercial hot water applications.
Advantages
The Reflex DT 80 pressure expansion vessel provides exceptional protection for domestic hot water systems by absorbing volume changes caused by temperature fluctuations. Its high pressure resistance of up to 16 bar allows it to handle demanding installation requirements with ease. The durable diaphragm design ensures a long service life and reliable separation between water and air, preventing corrosion and maintaining optimal system performance. The 80-liter volume offers ample capacity for larger sanitary installations, ensuring stable operation and reducing wear on pumps and piping.
Suitable for
Domestic hot water and sanitary water systems
Residential and commercial buildings requiring volume compensation
Systems operating up to 16 bar pressure
Installations with maximum temperatures reaching 70°C
When it may not be suitable
This expansion vessel is not designed for heating systems containing antifreeze agents or for closed-loop solar thermal systems that exceed operating temperatures of 70°C. It is also unsuitable for industrial applications requiring higher temperature thresholds or non-sanitary fluid mediums.
Key specifications
80 liters capacity
16 bar maximum operating pressure
70°C maximum operating temperature
Green color finish
Designed for domestic hot water systems
How to use
Installation should be performed by a qualified professional in accordance with local plumbing and safety regulations. The vessel must be integrated into the domestic hot water system on the cold water supply side of the water heater, typically downstream of the check valve and pressure reducing valve. Ensure proper mounting support is used to handle the weight of the vessel when filled. Regular maintenance checks should include inspecting the pre-charge pressure and checking the diaphragm integrity to ensure continued reliable operation.
What to consider before purchase
Verify that the 80-liter capacity matches your domestic hot water system requirements
Check that the maximum operating pressure of 16 bar is compatible with your installation
Ensure the maximum temperature limit of 70°C meets your system specifications
Confirm available physical space for installation and maintenance access
Usage recommendations: Regularly monitor the pre-charge pressure of the expansion vessel at least once a year to ensure optimal performance and to prevent premature wear on system components. Always consult a certified technician for installation, servicing, and pressure adjustments.

## FAQ

### How much does the Reflex DT 80 Expansion Vessel for DHW cost, and is it available for purchase?

The price is 1,928.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 27.11.2026 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, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can Reflex DT 80 Expansion Vessel for DHW be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Reflex 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 Reflex 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. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12702254/70978902_large.webp