# Outdoor Temperature Sensor VIESSMANN ZK04306 – external temp sensor for heating systems

**URL:** https://aio.lv/en/product--viessmann-zk04306--11863677
**Data updated:** 2026-03-09 17:40 (EET)
**Category:** Smart Sensors
**Manufacturer:** VIESSMANN
**Manufacturer code:** ZK04306
**EAN:** 5903624960642
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 94.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 78.09 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--viessmann-zk04306--11863677

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.99 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

VIESSMANN ZK04306 is an outdoor temperature sensor designed to measure external ambient temperature for heating and climate control systems. The sensor provides a reliable temperature input for controllers and boilers, enabling weather-compensated regulation and improved system efficiency. Typical use cases include residential and commercial heating installations requiring external temperature feedback for automated control.

## Long description

The VIESSMANN ZK04306 outdoor temperature sensor measures ambient outdoor temperature to provide a reliable input for heating and climate control systems. Designed for integration with compatible boilers and controllers, this external temp sensor supports weather-compensated regulation by supplying accurate outside temperature data that helps adjust system operation automatically according to changing conditions.
Advantages
This outdoor sensor offers consistent temperature measurement with a compact, weather-resistant design suitable for permanent external mounting. By delivering real-time external temperature feedback to the heating system, it enables more precise control, potentially improving comfort and energy efficiency. The sensor is compatible with standard controller inputs used in residential and light-commercial installations, simplifying integration into existing systems.
Suitable for (tasks / use cases)
Weather-compensated boiler or heat pump control in residential buildings
External temperature feedback for commercial heating systems
Integration with controllers that require outdoor ambient temperature input
Replacement of existing outdoor sensors in compatible installations
Key specifications
Function: external ambient temperature measurement for heating and climate control
Design: compact, wall- or bracket-mountable outdoor sensor with weather-resistant enclosure
Output type: analog temperature sensor signal compatible with standard heating controller inputs
Operating range: suitable for typical outdoor temperature ranges encountered in residential and commercial settings
Installation: fixed external mounting with cable connection to controller or boiler
How to use
Mount the sensor outdoors in a location representative of ambient conditions, away from direct sunlight, heat sources, and reflective surfaces to ensure accurate readings. Route the sensor cable to the controller or boiler input designated for external temperature sensors and make the electrical connection following the controller manufacturer’s wiring instructions. After installation, verify correct sensor operation through the controller interface and allow the system to perform weather-compensated control based on the supplied outdoor temperature signal.
Usage recommendations
For reliable performance, install the sensor under a shaded overhang or ventilated weather shield and secure the cable against mechanical damage. Periodically inspect the housing and cable for signs of wear or corrosion and follow the heating system manufacturer's guidance for calibration checks and replacement intervals.

## FAQ

### How much does the Outdoor Temperature Sensor VIESSMANN ZK04306 cost, and is it available for purchase?

The price is 94.49 € (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 10.07.2026 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 Outdoor Temperature Sensor VIESSMANN ZK04306 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 VIESSMANN 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 VIESSMANN 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/11863677/67262326_large.webp