# Electric Heating Element Onnline W-034 1/2" 900W with Thermostat

**URL:** https://aio.lv/en/product--onnline-w-034--11699768
**Data updated:** 2026-03-08 08:45 (EET)
**Category:** Underfloor Heating
**Manufacturer:** Onnline
**Manufacturer code:** W-034
**EAN:** 5907376060346
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 65.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 54.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--onnline-w-034--11699768

## 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

Electric heating element Onnline W-034 is a 1/2" threaded immersion heater rated at 900 W and supplied with an integrated thermostat for temperature control. Designed for heating liquids in small tanks, boilers or domestic vessels, it provides simple installation via 1/2" fitting and adjustable temperature regulation for maintenance or reheating applications.

## Long description

The Electric Heating Element Onnline W-034 1/2" 900W with Thermostat is an immersion heater designed for heating liquids in small tanks, boilers and domestic vessels. The heater features a 1/2" threaded fitting for direct installation, a 900 W heating cartridge and an integrated adjustable thermostat that allows for basic temperature control and maintenance heating. The compact construction and standard thread make it suitable for retrofit or replacement tasks where a simple, single-phase immersion heater is required.
Advantages
The Onnline W-034 offers straightforward installation through its 1/2" threaded connection and delivers steady 900 W output for reheating and maintenance duties. The built-in thermostat provides adjustable temperature control without the need for an external controller, and the immersion design ensures direct transfer of heat to liquids for efficient operation. The compact form factor and common thread standard simplify replacement in many domestic and light industrial applications.
Suitable for
Domestic water tanks and small hot water boilers
Maintenance heating of liquid reservoirs in workshops
Reheating liquids in foodservice or processing vessels where an immersion heater is appropriate
Retrofit or replacement of existing 1/2" immersion heaters
Key specifications
Power output: 900 W
Thread size: 1/2" threaded fitting for direct installation
Temperature control: integrated adjustable thermostat
Design: immersion heating element for liquids
Typical application: single-phase domestic and light commercial heating of liquids
How to use
Install the heating element into a compatible 1/2" threaded port on the tank or vessel according to local electrical and plumbing regulations. Ensure the element is fully submerged in the liquid before energizing to prevent dry heating and potential damage. Connect to a suitable single-phase supply with appropriate protection (circuit breaker or fuse) and earth connection. Adjust the integrated thermostat to the desired setpoint and monitor during initial operation to confirm stable temperature control.
Usage recommendations
For safe and reliable operation, verify compatibility of the vessel material and thread sealing method, use a qualified electrician for electrical connections, and avoid running the element outside of liquid. Periodic inspection for scale buildup and electrical integrity is advised in hard-water environments.

## FAQ

### How much does the Onnline W-034 1/2" 900W Heating Element cost, and is it available for purchase?

The price is 65.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 32 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 Onnline 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 Onnline 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/11699768/67083014_large.webp