# Built-in RTL box with return temperature limiter, Comap 25480000501

**URL:** https://aio.lv/en/product--comap-25480000501--12259206
**Data updated:** 2026-05-11 18:16 (EEST)
**Category:** Underfloor Heating
**Manufacturer:** Comap
**Manufacturer code:** 25480000501
**EAN:** 4260175476697
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 57.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 47.51 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--comap-25480000501--12259206

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

Built-in RTL box (return temperature limiter box) by Comap, model 25480000501 for installation into a wall. Designed to house and protect RTL valve components and provide a return temperature limiting function to maintain desired system return temperatures. Suitable for hydronic heating systems where controlled return temperature improves efficiency and protects heat sources. Intended for concealed installation in residential or commercial heating applications.

## Long description

The Comap built-in RTL box with a return temperature limiter is a professional solution designed for the precise regulation of heating circuits in residential and commercial buildings. This unit is intended for concealed wall installation, providing a clean and aesthetic finish while housing essential valve components. By monitoring and limiting the return temperature of the heating medium, this device ensures that the system operates within optimal parameters, contributing to improved energy efficiency and the protection of heat sources from excessive thermal stress.
Advantages
The primary benefit of this Comap RTL box is its ability to maintain a stable return temperature, which is crucial for the longevity and performance of hydronic heating systems. Its concealed design allows for a seamless integration into modern interiors, keeping technical components out of sight while maintaining easy access for adjustments. The robust construction ensures reliable operation over long periods, and the precise limiting function helps prevent overheating in specific zones, thereby optimizing the overall heat distribution throughout the building.
Suitable for
Underfloor heating systems requiring return temperature control
Residential heating installations
Commercial building climate control
Systems where individual room temperature regulation is necessary
This product may not be suitable for high-flow industrial heating systems that exceed the technical capacity of the valve. It is also not intended for use in steam heating applications or systems where the return temperature is not the primary factor for regulation.
Key specifications
Installation type: Concealed wall mounting
Function: Return temperature limitation
Application: Hydronic heating systems
Brand: Comap
How to use
The installation of the Comap RTL box should be performed by a qualified professional to ensure proper integration into the heating circuit. The box is recessed into the wall, and the valve components are connected to the return pipe of the heating loop. Once installed, the temperature limit can be set according to the specific requirements of the heating system. Regular checks should be performed to ensure the valve remains responsive and that the temperature settings remain within the desired range.
What to consider before purchase
Verify compatibility with your existing heating system pipe diameter
Ensure the wall depth is sufficient for the recessed box installation
Confirm that the return temperature limiting function meets your specific heating requirements
Usage recommendations
For optimal performance, ensure that the system is properly bled of air during installation and that the temperature limiter is calibrated by a professional technician to match the specific thermal characteristics of your heating circuit.

## FAQ

### How much does the Comap RTL built-in box 25480000501 cost, and is it available for purchase?

The price is 57.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 31 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 07.07.2026 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 Comap 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 Comap 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/12259206/68171377_large.webp