# Radiator Purmo C21S model C21S/611 — panel radiator, two-panel convector, standard height

**URL:** https://aio.lv/en/product--purmo-c21s611--11730236
**Data updated:** 2026-03-08 11:33 (EET)
**Category:** Heating Radiators
**Manufacturer:** Purmo
**Manufacturer code:** C21S/611
**EAN:** 5905505259562
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 143.99 €
**Prices and availability valid until:** 2026-12-09 23:59
**Price without VAT (21%):** 119.00 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--purmo-c21s611--11730236

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.11.2026 | free |
| Pickup points | 27.11.2026 | 1.99 EUR |
| Courier delivery to door | 27.11.2026 | 4.99 EUR |

## Summary description

Purmo C21S radiator (model C21S/611) is a two-panel convector-style heating radiator designed for central heating systems. It provides convective and radiant heat distribution, suitable for residential and commercial rooms requiring wall-mounted heating. The unit fits standard installation heights and connects to conventional pipework for space heating.

## Long description

Purmo C21S model C21S/611 is a two-panel convector panel radiator designed for central heating systems. Combining a flat front panel with convector fins, this radiator delivers both radiant and convective heat to indoor spaces. The standard-height unit is intended for wall-mounted installation and connects to conventional pipework used in residential and commercial heating circuits.
Advantages
The Purmo C21S offers efficient heat output from a compact footprint, providing stable room temperature through a combination of radiant panel heating and forced convection from internal fins. Its standard-height design simplifies replacement of existing radiators without major alterations to pipework or mounting points. The steel construction ensures durability and consistent surface temperature distribution while remaining compatible with common central heating systems.
Suitable for
 Living rooms and bedrooms in residential properties
 Offices and small commercial spaces
 Replacement projects where a standard-height wall-mounted radiator is required
 Central heating systems using conventional two-pipe or single-pipe connections
Key specifications
 Type: two-panel convector radiator (panel with convector fins)
 Height: standard installation height (suitable for standard wall-mount replacements)
 Material: steel panels with convector elements
 Heat distribution: combined radiant and convective output
 Connection: designed for conventional central heating pipework
 Finish: factory-applied protective coating for corrosion resistance
How to use
Install the Purmo C21S radiator on a suitably prepared wall using compatible brackets and follow local plumbing and heating regulations. Connect the inlet and outlet to the central heating pipework, bleed air from the radiator after filling the system, and check for leaks. Adjust the room temperature using a thermostatic valve or the central heating controller as required. Regularly inspect fittings and bleed the radiator periodically to maintain efficient heat transfer.
Usage recommendations
For optimal performance install the radiator at least a few centimeters above the floor and ensure unobstructed airflow around the unit. Use a thermostatic radiator valve for precise room temperature control and perform routine system maintenance, including periodic bleeding and checking for corrosion or leaks.

## FAQ

### How much does the Radiator Purmo C21S C21S/611 cost, and is it available for purchase?

The price is 143.99 € (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 24.11.2026 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. All transactions are 100% secure and encrypted.

### Can Radiator Purmo C21S C21S/611 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 Purmo 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 Purmo 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/11730236/70393946_large.webp