# Expansion Reservoir 164mm DDC Acrylic by Barrow — 164 mm, black, model PBTT-BBB3130

**URL:** https://aio.lv/en/product--barrow-pbtt-bbb3130--6185058
**Data updated:** 2026-03-07 15:15 (EET)
**Category:** CPU Coolers & PC Cooling Systems
**Manufacturer:** Barrow
**Manufacturer code:** PBTT-BBB3130
**EAN:** 6937826604782
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 46.49 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 38.42 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--barrow-pbtt-bbb3130--6185058

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

Barrow Expansion Reservoir 164mm DDC Acrylic (PBTT-BBB3130) is a black acrylic reservoir designed for PC liquid cooling loops using a DDC pump form factor. With a 164 mm length, it provides fluid storage and visible coolant monitoring while integrating with DDC-style pump mounts. Suitable for custom water-cooling builds where a compact inline reservoir is required.

## Long description

Barrow Expansion Reservoir 164mm DDC Acrylic is a compact inline reservoir designed for custom PC liquid cooling loops that use a DDC pump form factor. The 164 mm acrylic tube provides visible coolant capacity and integrates directly with DDC-style pump mounts, enabling a neat, space-saving installation in systems where a traditional tall reservoir is impractical. Finished in black, this reservoir offers a low-profile solution for coolant storage, air separation and visual monitoring of fluid level within the loop.
Advantages
The acrylic construction combines clear visibility of coolant with a rigid, scratch-resistant surface suitable for standard cooling fluids. Its 164 mm length balances fluid capacity with compact dimensions, making it easier to fit into small or constrained cases. The DDC-compatible design simplifies mechanical integration with DDC pumps and mounting brackets, reducing the need for custom adapters. Black trim and fittings provide a discreet appearance that complements many build styles while concealing internal tubing or pump hardware.
Suitable for
 Compact custom water-cooling loops using a DDC pump form factor
 Systems with limited interior space where a vertical reservoir cannot be installed
 Builds requiring a visible inline reservoir for coolant level monitoring and air separation
Key specifications
 Reservoir material: acrylic tube with black end fittings
 Overall length: 164 mm
 Mounting compatibility: designed for integration with DDC-style pump mounts
 Orientation: inline/compact installation suitable for horizontal or short vertical runs
 Finish: black trim for discreet appearance
How to use
Install the reservoir inline between pump and radiator or as specified by your loop design, ensuring the DDC-compatible interface aligns with the pump mounting points. Securely fasten the end fittings and mounting brackets to prevent vibration and leaks. Fill the loop with the chosen coolant, then run the pump at low speed to circulate fluid while checking all connections for tightness and observing the reservoir for trapped air. Top up the reservoir until the coolant level stabilizes and perform leak testing before regular operation.
Usage recommendations
Use coolant formulations compatible with acrylic and compatible with your system materials; avoid aggressive chemicals or concentrated solvents. Periodically inspect the reservoir for sediment, discoloration or micro-scratches and perform routine coolant maintenance according to the coolant manufacturer’s guidelines. When mounting, allow clearance for tubing and pump access to simplify future maintenance.

## FAQ

### How much does the Barrow Expansion Reservoir 164mm DDC Acrylic PBTT-BBB3130 cost, and is it available for purchase?

The price is 46.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 17.07.2026 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 Barrow 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 Barrow 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/6185058/68527043_large.webp