# Temperature regulator Ospel RTM-20 5–60°C 230V AC without probe (EXT10000115)

**URL:** https://aio.lv/en/product--ospel-ext10000115--11867760
**Data updated:** 2026-03-09 17:44 (EET)
**Category:** Control Systems
**Manufacturer:** Ospel
**Manufacturer code:** EXT10000115
**EAN:** 5903669007920
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 73.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 60.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ospel-ext10000115--11867760

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

Ospel RTM-20 is a mains-powered temperature regulator for controlling HVAC and heating devices within a 5–60°C range. Designed for 230V AC supply, this model is supplied without an external probe and provides setpoint adjustment and relay control output. Suited for boilers, radiators, fan coils and temperature maintenance in residential or light commercial installations.

## Long description

Ospel RTM-20 is a mains-powered temperature regulator designed to control heating, ventilation and air conditioning equipment within a 5–60°C range. Intended for 230V AC installations and delivered without an external probe, the device provides an adjustable temperature setpoint and a relay output for switching boilers, pumps, valves or fan coils. The compact regulator is suitable for residential and light commercial applications where straightforward temperature maintenance and reliable on/off control are required.
Advantages
The RTM-20 offers a clear setpoint control across a 5–60°C range and simple relay switching compatible with standard 230V AC systems. Supplied without a probe, it enables flexible selection of a sensor type and mounting location to match specific installation needs. Its design focuses on basic, dependable temperature regulation with easy integration into existing HVAC circuits and straightforward operation for installers and end users.
Suitable for
 Domestic boiler temperature control
 Radiator or underfloor heating zone switching
 Fan coil units and small air handling equipment
 Temperature maintenance in utility rooms or plant cabinets
Key specifications
 Supply voltage: 230 V AC
 Controlled temperature range: 5–60 °C
 Output type: relay (on/off) suitable for switching heating loads
 Sensor: device supplied without external probe (probe to be selected separately)
 Mounting: panel or DIN-rail compatible enclosure dimensions for electrical cabinets (refer to technical drawing)
 Application class: residential and light commercial HVAC systems
How to use
Install the RTM-20 in accordance with local electrical regulations, ensuring a secure 230 V AC supply connection and correct relay wiring to the controlled heater, pump or valve. Select and fit a compatible external temperature probe in the location representative of the space or medium to be regulated. Set the desired temperature within the 5–60 °C range using the regulator’s setpoint control. Verify the relay operation by observing the controlled device switching at the chosen setpoint and make any necessary adjustment to probe placement or setpoint for accurate temperature control.
Usage recommendations
For reliable performance, use a probe type and installation position appropriate for the controlled medium (air, water or surface). Ensure wiring and protective devices match the switched load and local standards. Periodic verification of setpoint accuracy and probe condition is recommended to maintain stable temperature control.

## FAQ

### How much does the Ospel RTM-20 temperature regulator 5–60°C cost, and is it available for purchase?

The price is 73.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 06.07.2026 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 Ospel RTM-20 temperature regulator 5–60°C 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 Ospel 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 Ospel 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/11867760/67274114_large.webp