# Liquid environment thermometer TFA 14.4000 — indoor, °C, 24×135 mm

**URL:** https://aio.lv/en/product--tfa-144000--11811356
**Data updated:** 2026-03-09 10:54 (EET)
**Category:** Home Appliance Accessories
**Manufacturer:** TFA
**Manufacturer code:** 14.4000
**EAN:** 4009816002693
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 5.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tfa-144000--11811356

## 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

TFA-Dostmann 14.4000 is a liquid environment thermometer designed for indoor temperature measurement in degrees Celsius. The compact instrument measures 24 mm in width and 135 mm in height and weighs 20 g. It provides a simple, mechanical display of ambient temperature suitable for homes, offices or storage rooms where basic, reliable room temperature monitoring is needed.

## Long description

The TFA 14.4000 liquid environment thermometer is a compact mechanical instrument for measuring indoor air temperature in degrees Celsius. Designed for simple ambient temperature monitoring, this lightweight thermometer features a clear liquid column display and a slim white plastic body measuring approximately 24 × 135 mm and weighing about 20 g. It is intended for basic, maintenance-free temperature checks where an easy-to-read analogue indication is preferred over electronic sensors.
Advantages
The thermometer provides a direct, instantaneous visual reading without the need for batteries or electronic calibration. Its plastic housing is lightweight and unobtrusive, making it easy to place on walls or stand in small spaces. The liquid column offers a reliable mechanical indication of temperature changes and the simple construction reduces the likelihood of faults associated with electronic devices.
Suitable for
Monitoring room temperature in homes and apartments
Temperature checks in offices and meeting rooms
Use in storage rooms, pantries or wine cabinets where constant power is not available
Basic indoor climate monitoring in classrooms or workshops
Key specifications
Measurement type: liquid column (mechanical)
Measurement unit: degrees Celsius (°C)
Intended location: indoor use
Material: plastic housing
Dimensions: approximately 24 × 135 mm
Weight: approximately 20 g
Color: white
How to use
Place the thermometer on a wall or a stable vertical surface at least a few decimeters away from direct heat sources such as radiators, ovens or direct sunlight to ensure representative room readings. Allow the instrument several minutes to equilibrate to the room temperature before reading the liquid column. For vertical mounting, ensure the thermometer is positioned straight so the liquid column can move freely. No setup, batteries or calibration are required for routine use.
Usage recommendations
For the most accurate indoor measurements, avoid mounting directly above or below heating or cooling vents and keep the thermometer away from drafty doors and windows. Clean the plastic surface with a soft, damp cloth; avoid abrasive cleaners or solvents that could damage the housing.

## Specifications

| Feature | Value |
|---|---|
| Type | Liquid environment thermometer |
| Weight | 0.02 kg |
| Height | 135 mm |
| Width | 24 mm |
| Product colour | White |
| Purpose | Indoor |
| Batteries included | No |
| Temperature measurement units | °C |

## FAQ

### How much does the Liquid environment thermometer TFA 14.4000 cost, and is it available for purchase?

The price is 6.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 TFA 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 TFA 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/11811356/67301111_large.webp