# Gas detector DAHUA HY-GB40A — propane/LPG sensor for propane-butane detection

**URL:** https://aio.lv/en/product--dahua-hy-gb40a--7608952
**Data updated:** 2026-04-08 22:11 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** DAHUA
**Manufacturer code:** HY-GB40A
**EAN:** 6923172542854
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 36.49 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 30.16 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dahua-hy-gb40a--7608952

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

DAHUA HY-GB40A is a fixed gas detector designed to detect propane/LPG (propane-butane) leaks. The unit monitors ambient air for combustible gas presence and provides early warning to protect premises and equipment. Suitable for commercial and residential installations where propane or LPG cylinders and piping are used, it supports continuous sensing and alarm signaling.

## Long description

The DAHUA DETECTOR PROPANE LPG HY-GB40A is a compact gas detector designed to sense propane and LPG leaks. It operates within a wide ambient temperature range and is intended for fixed installation where early detection of propane/butane gas is required.
Advantages
This detector provides reliable propane/LPG detection with a simple DC 12V power connection and a compact housing measuring 86.6 × 86.6 × 29.2 mm. Its operating temperature range from –10°C to +55°C allows use in many indoor environments. The device is designed for straightforward installation and integration into alarm or monitoring systems.
Suitable for
Residential kitchens and boiler rooms
Small commercial premises using propane or LPG
Integration with alarm and building monitoring systems
When it may not be suitable
This detector is specific to propane and LPG and is not intended to detect other gases such as methane, carbon monoxide, or volatile organic compounds. It is designed for fixed indoor installations and may not be suitable for outdoor use or environments outside the specified temperature range.
Key specifications
Detected gas: Propane / LPG
Operating temperature range: –10°C to +55°C
Power supply: DC 12V
Dimensions: 86.6 mm × 86.6 mm × 29.2 mm
How to use
Mount the detector on a wall or other fixed surface in the protected area, following spacing and height recommendations for propane/LPG sensors (usually near potential leak sources but away from ventilation outlets). Connect the unit to a DC 12V power source and, if required, integrate its output with the site alarm or monitoring system. Test the detector after installation according to local safety regulations and the system integrator's instructions.
What to consider before purchase
Confirm that propane/LPG detection is the required sensor type for your application.
Ensure installation location remains within the –10°C to +55°C operating range.
Verify compatibility with your building's alarm or monitoring system and power supply (DC 12V).
Usage recommendations
Position the detector where propane or LPG leaks are most likely to accumulate, follow local codes for gas detector placement, perform regular functional tests, and schedule maintenance or replacements per manufacturer or integrator guidance.

## FAQ

### How much does the DAHUA HY-GB40A gas detector cost, and is it available for purchase?

The price is 36.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 20.07.2026 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 DAHUA 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 DAHUA 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/7608952/50753065_large.webp