# Electric immersion heater KOSPEL GRW-3.0kW/230V with thermostat, 6/4" connection

**URL:** https://aio.lv/en/product--kospel-grzalkagrw-30230vpl--11681528
**Data updated:** 2026-02-16 07:10 (EET)
**Category:** Water Heaters
**Manufacturer:** KOSPEL
**Manufacturer code:** GRZAŁKA.GRW-3.0/230V.PL
**EAN:** 5906564131950
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 109.49 €
**Prices and availability valid until:** 2026-08-06 23:59
**Price without VAT (21%):** 90.49 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kospel-grzalkagrw-30230vpl--11681528

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

KOSPEL GRW-3.0kW/230V is an electric immersion heater with built-in thermostat and 3.0 kW power for 230 V systems. Designed for water heating in boilers and tanks, it features a 6/4" thread connection for installation. The integrated thermostat enables temperature control and protection against overheating, making it suitable for domestic hot water support and auxiliary heating.

## Long description

KOSPEL GRW-3.0kW/230V is an electric immersion heater designed for direct installation into water boilers and storage tanks. The unit provides 3.0 kW of heating power at 230 V and includes an integrated mechanical thermostat for basic temperature regulation and overheating protection. The heater uses a 6/4" threaded connection for mounting and is intended to support domestic hot water production or act as an auxiliary heat source.
Advantages
The immersion heater combines a compact heating element with a built-in thermostat to deliver controlled water heating without additional external controls. Its 3.0 kW power rating at 230 V suits common household electric circuits while the 6/4" thread simplifies installation into compatible tanks and boilers. The integrated thermostat provides straightforward temperature setting and contributes to safer operation by reducing the risk of overheating.
Suitable for (tasks / use cases)
Heating water in domestic storage tanks and boilers
Auxiliary heating for systems requiring backup or supplementary heat
Replacement or upgrade of existing immersion heaters with a 6/4" connection
Key specifications
Nominal power: 3.0 kW
Rated voltage: 230 V
Built-in mechanical thermostat for temperature control
Threaded connection: 6/4"
Intended medium: water (domestic hot water systems)
How to use
Install the immersion heater into the boiler or tank at the designated 6/4" threaded port following the appliance manufacturer's instructions and local electrical regulations. Ensure the electrical supply is isolated before connecting wiring and that the thermostat is set to the desired temperature range. After installation, fill the tank with water and restore power, monitoring the unit during initial operation to confirm correct function and thermostat response.
Usage recommendations
Use the KOSPEL immersion heater only in water-filled systems and avoid dry operation. Verify compatibility of the 6/4" connection and the tank material before installation. For electrical connections and thermostat adjustments, follow local safety standards or consult a qualified electrician.

## FAQ

### How much does the KOSPEL GRW-3.0kW/230V electric immersion heater cost, and is it available for purchase?

The price is 109.49 € (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 22.07.2026 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 KOSPEL GRW-3.0kW/230V electric immersion heater 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 KOSPEL 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 KOSPEL 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/11681528/67015562_large.webp