# Circulator Pump WILO Yonos Maxo 50/0.5-12 — model 2120651, flange DN50, variable speed

**URL:** https://aio.lv/en/product--wilo-2120651--11003327
**Data updated:** 2026-03-07 18:12 (EET)
**Category:** Water Pumps
**Manufacturer:** WILO
**Manufacturer code:** 2120651
**EAN:** 4048482235974
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 1 659.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 1 371.48 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--wilo-2120651--11003327

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

WILO Yonos Maxo 50/0.5-12 (MPN 2120651) is a circulator pump designed for hydronic heating and cooling systems. The unit features a DN50 flange connection and variable-speed control for efficient flow regulation. Intended for installation in boiler circuits, heat distribution loops and commercial HVAC systems, it provides reliable circulation and can be used where precise flow control and quiet operation are required.

## Long description

The WILO Yonos Maxo 50/0.5-12 is a circulator pump designed for hydronic heating and cooling systems, featuring a DN50 flange connection and variable-speed control for precise flow regulation. Built for installation in boiler circuits, heat distribution loops and commercial HVAC systems, the pump provides reliable circulation, adaptable performance and low-noise operation to meet the needs of professional mechanical and building services projects.
Advantages
The pump offers electronically controlled variable speed operation to maintain consistent flow and adapt to changing system demands. Its DN50 flange connection simplifies integration with standard piping in commercial and larger residential systems. The design emphasizes quiet operation and energy efficiency, and the robust construction supports continuous operation in demanding heating and cooling applications.
Suitable for
Boiler circulation loops in commercial and multi-family residential buildings
Heat distribution and return circuits in hydronic heating systems
Cooling circuits and chilled water distribution in HVAC applications
System retrofits where improved flow control and reduced noise are required
Key specifications
Flange connection size: DN50
Variable-speed control for adaptive flow regulation
Design type: inline/centrifugal circulator suitable for hydronic systems
Application range: heating and cooling circuits, boiler and distribution loops
Construction: durable housing and components for continuous operation
How to use
Install the pump in the system according to applicable hydronic piping and mounting standards, ensuring the flow direction matches the system design and flange connections are properly sealed. Connect electrical supply and control wiring following the manufacturer’s wiring diagrams and local electrical codes, configuring the variable-speed settings to match system head and flow requirements. Commission the unit by filling and bleeding the circuit, verifying operation at different speed settings and checking for correct flow, pressure and leak-free connections.
Usage recommendations
Regular inspection and scheduled maintenance increase service life: verify electrical connections, monitor for unusual noise or vibration, check flange seals and replace worn components. When replacing or upgrading pumps, match system hydraulic requirements and consider professional commissioning to optimise variable-speed control settings for energy-efficient operation.

## FAQ

### How much does the WILO Yonos Maxo 50/0.5-12 circulator pump cost, and is it available for purchase?

The price is 1,659.49 € (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 14.07.2026 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, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can WILO Yonos Maxo 50/0.5-12 circulator pump 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 WILO 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 WILO 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/11003327/61649485_large.webp