# Electric Immersion Heater Onnline W-083 2 kW, 5/4" Thread

**URL:** https://aio.lv/en/product--onnline-w-083--11699775
**Data updated:** 2026-03-08 08:45 (EET)
**Category:** Water Heaters
**Manufacturer:** Onnline
**Manufacturer code:** W-083
**EAN:** 5907376060834
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Onnline W-083 is an electric immersion heater with 2 kW power and a 5/4" threaded connection. Designed to heat liquids in tanks or vessels, it installs via the 5/4" thread and provides direct in-liquid heating. Suitable for domestic and light industrial applications requiring straightforward electrical heating of water and other compatible fluids.

## Long description

Onnline W-083 is an electric immersion heater with 2 kW power and a 5/4" threaded connection, designed for direct in-liquid heating of water and other compatible fluids. The heater is intended for installation into tanks or vessels via the 5/4" thread and delivers reliable thermal output for domestic and light industrial applications where straightforward electrical heating is required.
Advantages
The Onnline W-083 offers compact dimensions and a simple threaded mounting that enables quick installation and removal. With a 2 kW rated power, it provides efficient direct heating while minimizing heat loss because the heating element is immersed in the liquid. The device features durable construction suitable for standard potable water and similar non-corrosive fluids, and its design reduces the need for external heat exchangers or complex piping.
Suitable for
Heating water in domestic tanks and small boilers
Maintaining temperature in process vessels and reservoirs
Supplementary heating in washdown or cleaning systems
Temporary or seasonal heating of liquids in containers
Key specifications
Power: 2 kW
Thread size: 5/4" (threaded connection for tank installation)
Mounting type: screw-in immersion heater
Heating method: direct in-liquid immersion
Application: suitable for water and compatible non-corrosive fluids
How to use
Install the immersion heater into the vessel or tank via the 5/4" threaded port, ensuring a proper seal to prevent leaks. Connect the electrical supply according to local wiring regulations and the appliance's rated voltage and current, using appropriate cable and protective devices such as circuit breakers or fuses. Submerge the heating element fully in the liquid before energizing to avoid dry heating. Monitor temperature and operation with external controls or thermostats as required by the application.
Usage recommendations
Use the Onnline W-083 only with liquids that are compatible with its materials and do not expose the element to open-air operation. Regularly inspect seals and electrical connections, and ensure that protective grounding is in place. For applications requiring precise temperature control or operation in aggressive fluids, consult a specialist and consider additional protective measures or alternative heater types.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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

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