# Circulation pump Omnigena CALDA 25-40/180 Auto, central heating pump, set includes 2 union fittings

**URL:** https://aio.lv/en/product--omnigena-5907761152663--11954011
**Data updated:** 2026-03-11 13:51 (EET)
**Category:** Heating Radiators
**Manufacturer:** Omnigena
**Manufacturer code:** 5907761152663
**EAN:** 5907761152663
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 86.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 71.89 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--omnigena-5907761152663--11954011

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Omnigena CALDA 25-40/180 Auto is a circulation pump for central heating systems designed to maintain coolant flow. Model 25-40/180 indicates nominal 25 mm connection, 40 mm head characteristic and 180 mm length/spacing as in model name. Supplied with two union fittings, the pump suits domestic boiler loops, radiators and underfloor heating recirculation where automatic operation is required.

## Long description

Omnigena CALDA 25-40/180 Auto is a circulation pump for central heating systems engineered to maintain continuous coolant circulation in domestic and small commercial boiler loops. The model designation 25-40/180 reflects the pump's 25 mm nominal connection size, a maximum head characteristic of 4.0 m (40) and a 180 mm installation length/spacing. The set includes two union fittings to simplify installation and connection to existing pipework. The pump is intended for automatic operation within closed heating circuits and is compatible with radiators, underfloor heating recirculation and other standard hydronic systems.
Advantages
The Omnigena CALDA 25-40/180 Auto offers a compact design with standardized 25 mm connections and integrated features that support reliable, silent circulation. Supplied union fittings reduce installation time and the 180 mm length matches common pump spacings for direct replacement in many systems. The automatic operation mode ensures the pump adapts to system demands, helping to maintain stable flow rates without manual adjustments.
Suitable for
 Domestic central heating circuits and boiler loops
 Radiator systems requiring forced circulation
 Underfloor heating recirculation in small to medium installations
 Replacement of existing 25 mm pumps with 180 mm spacing
Key specifications
 Nominal connection diameter: 25 mm
 Head characteristic: up to 4.0 m
 Installation length / spacing: 180 mm
 Operation mode: automatic regulation for typical heating systems
 Included accessories: two union fittings for pipe connection
 Application: closed central heating and recirculation systems
How to use
Install the Omnigena CALDA 25-40/180 Auto on the return or feed line according to the system layout, ensuring the 180 mm pump spacing matches the pipeline supports. Fit the supplied union fittings to the pipe ends and tighten to form a reliable seal; follow standard practices for thread sealant or gaskets as applicable. Connect electrical supply and control wiring in accordance with local regulations and the pump's wiring diagram. After installation, bleed air from the circuit and verify correct rotation and flow direction. Set the automatic mode if adjustable controls are present and monitor system pressures and temperatures during the initial run to confirm stable operation.
Usage recommendations
Use corrosion-resistant fluids and maintain water quality according to heating system guidelines. Regularly check connections, seals and the pump body for leaks and perform periodic maintenance including removal of debris and inspection of the impeller. When replacing an existing pump, confirm the 25 mm connection and 180 mm spacing to ensure compatibility with the Omnigena CALDA 25-40/180 Auto.

## FAQ

### How much does the Circulation pump Omnigena CALDA 25-40/180 Auto cost, and is it available for purchase?

The price is 86.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 16.07.2026 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. All transactions are 100% secure and encrypted.

### Can Circulation pump Omnigena CALDA 25-40/180 Auto 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 Omnigena 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 Omnigena 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/11954011/67398224_large.webp