# Radiator thermostat set DANFOSS RAS-C2 + RA-FN + RLV-S 15 S, straight connection

**URL:** https://aio.lv/en/product--danfoss-5702424659493--11730356
**Data updated:** 2026-03-08 11:33 (EET)
**Category:** Heating Radiators
**Manufacturer:** DANFOSS
**Manufacturer code:** 5702424659493
**EAN:** 5702424659493
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 57.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 47.93 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--danfoss-5702424659493--11730356

## 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

Radiator thermostat set by DANFOSS (model RAS-C2 + RA-FN + RLV-S 15 S) for straight connection. The set includes a thermostatic head (RAS-C2), a RA-FN valve body and an RLV-S 15 S lockshield/retaining valve. Designed to control and balance radiator flow, provide temperature regulation and allow commissioning and maintenance. Suitable for residential and commercial heating systems using standard straight-mounted radiator valves.

## Long description

The DANFOSS radiator thermostat set RAS-C2 + RA-FN + RLV-S 15 S is a complete solution for straight-mounted radiator connections. It combines a thermostatic head, a valve body and a lockshield/retaining valve to regulate radiator temperature, balance flow across the heating circuit and enable commissioning and maintenance. The set is suitable for standard residential and commercial heating systems that use straight connections and requires compatible radiator valve fittings for installation.
Advantages
This set integrates a responsive thermostatic head with a compact valve body and an adjustable lockshield to provide precise room temperature control and hydraulic balancing. The components are designed to work together to reduce overheating, enable easy adjustment during commissioning and allow maintenance without complete system drain-down. The straight connection format simplifies installation on radiators with inline valve ports.
Suitable for
Temperature control on individual radiators in homes and apartments
Balancing flow in multi-radiator residential heating systems
Heating installations in small commercial spaces and offices
Replacement or upgrade of existing straight-mounted radiator valves
Key specifications
Configuration: straight connection set including thermostatic head, valve body and lockshield/retaining valve
Thermostatic head type: manual control head for room temperature regulation
Valve function: two-way radiator valve body for flow regulation
Lockshield function: adjustable retaining valve for hydraulic balancing and commissioning
Application: compatible with standard hot water radiator systems in residential and light commercial buildings
Materials: corrosion-resistant materials suitable for central heating use
How to use
Install the valve body in the radiator inlet using the straight connection orientation and secure the lockshield/retaining valve on the return side as required for balancing. Mount the thermostatic head onto the valve body according to the manufacturer's mounting interface and set the desired temperature using the head's control scale. During initial commissioning, adjust the lockshield to balance flow between radiators and to limit maximum flow where necessary. For maintenance, isolate the radiator and drain as appropriate before removing the valve components.
Usage recommendations
For reliable operation, use the set in systems with clean, properly treated heating water and follow local regulations for installation and commissioning. Verify compatibility with your radiator connection dimensions and refer to DANFOSS technical documentation for detailed mounting, adjustment and maintenance procedures.

## FAQ

### How much does the Radiator thermostat set DANFOSS RAS-C2 + RA-FN + RLV-S 15 S cost, and is it available for purchase?

The price is 57.99 € (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 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. 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 DANFOSS 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 DANFOSS 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/11730356/67110379_large.webp