# Expansion Vessel Connection Reflex SU for Diaphragm Vessel 3/4" – Reflex 7613000

**URL:** https://aio.lv/en/product--reflex-7613000--7259610
**Data updated:** 2026-03-07 15:16 (EET)
**Category:** Home Appliance Accessories
**Manufacturer:** Reflex
**Manufacturer code:** 7613000
**EAN:** 4036705008108
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 38.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 31.81 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--reflex-7613000--7259610

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Reflex SU connection for a diaphragm (expansion) vessel, model 7613000. Thread size 3/4", designed to connect and secure a diaphragm expansion tank to heating or hot-water systems. Provides a sealed mechanical link between the vessel and piping, suitable for installation where a standard 3/4" port is required. Intended for use in boilers, central heating and hot-water installations.

## Long description

Reflex SU connection for diaphragm (expansion) vessels with 3/4" thread provides a secure mechanical interface between a diaphragm expansion tank and the piping of heating or hot-water systems. The Reflex 7613000 connection is designed to fit standard 3/4" ports and to create a sealed attachment that maintains system pressure and prevents leaks. It is intended for use with boilers, central heating circuits and domestic hot-water installations where a compact, reliable vessel connection is required.
Advantages
The Reflex SU connection offers a robust threaded joint engineered for tight sealing and corrosion resistance appropriate for heating systems. Its compact design simplifies installation in confined spaces and reduces the need for additional adapters. The component is compatible with common diaphragm vessels and provides a stable mechanical link that helps maintain system integrity and operational safety.
Suitable for
Connection of diaphragm expansion vessels to boiler and central heating systems
Domestic hot-water circulation systems requiring a 3/4" vessel port
Replacement or retrofit of existing vessel connections with standard threaded fittings
Key specifications
Thread size: 3/4" suitable for standard vessel ports
Type: connection fitting for diaphragm (expansion) vessel
Application: heating systems, boilers, domestic hot-water installations
Function: provides sealed mechanical link between vessel and piping
Design: compact form factor for space-limited installations
How to use
Shut down the heating or hot-water system and relieve system pressure before installing or replacing the connection. Thread the Reflex SU connection into the vessel’s 3/4" port using appropriate thread sealant or sealing tape as recommended for the system. Tighten to the torque appropriate for the vessel and fitting material to ensure a leak-free joint. Reconnect piping, restore system pressure, and inspect the joint for leaks during initial system fill and first heat cycle.
Usage recommendations
For safe and reliable operation, use the Reflex SU connection only with compatible diaphragm vessels and follow manufacturer guidance for thread sealing and torque values. Verify material compatibility with system fluids and perform a pressure test after installation. If uncertain about installation procedures or system requirements, consult a qualified heating technician.

## FAQ

### How much does the Reflex SU connection 3/4" – 7613000 cost, and is it available for purchase?

The price is 38.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 38 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 02.07.2026 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. All transactions are 100% secure and encrypted.

### 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/7259610/68525351_large.webp