Carbon Monoxide Detector Certified EN50291-1:2018
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Sede Operativa Oniroview
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Via Piave 17
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95129 Catania CT
Italy
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Carbon Monoxide Detector Certified EN50291-1:2018 - Advanced Protection for Your Home
Protect your family or guests with the CO 23-310 Carbon Monoxide Detector certified to EN50291-1:2018 designed to accurately detect the presence of carbon monoxide (CO) in residential environments, ensuring the safety of hospitality environments, such as hotels, B&Bs and short-term rental units.
This device is equipped with an advanced, pre-calibrated and non-replaceable electrochemical sensor , which offers high sensitivity, stable performance and excellent anti-interference ability. With its compact size and long sensor life, it is easy to install and maintain.
Main Features
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🔍 Advanced Electrochemical Technology : The built-in electrochemical sensor provides high sensitivity and stable performance, with excellent ability to resist environmental interference. This ensures that the device accurately detects carbon monoxide , protecting you and your loved ones from possible poisoning.
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🏠 Suitable for residential environments and hospitality facilities : Ideal for private homes, B&Bs and hotels, where the legislation (Law 191/2023) requires the installation of carbon monoxide detectors . Ensure the safety of guests with a certified device that complies with European standards. Read the document from the Ministry of Health
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📏 Compact design and easy to install : With small dimensions, this detector can be installed in a few minutes, without the need for complex interventions. It is designed to cover an area of 20 m², offering continuous and discreet protection.
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🔔 Loud Alarm and Safety Alerts : When a dangerous concentration of carbon monoxide is detected, the device emits a loud and clear alarm. It also reports any sensor failure or low battery, ensuring constant monitoring of functionality.
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🛡️ Easy Maintenance with Test Button : Test the detector regularly (recommended once a week) to ensure optimal operation. The device is equipped with a button for easy checking and maintenance.
Intervention Thresholds
- 27±3 ppm : Alarm activated after more than 120 minutes
- 55±5 ppm : Alarm activated within 60-90 minutes
- 110±10 ppm : Alarm activated within 10-40 minutes
- 330±3 ppm : Alarm activated in less than 3 minutes
Where to Install the Detector
To ensure maximum effectiveness, the carbon monoxide detector should be installed:
- In any room where there is a source of combustion , such as kitchens or areas with gas stoves, fireplaces or water heaters.
- Near rest areas , such as bedrooms, to ensure the alarm is heard even while sleeping.
- At a height of about 1.5 meters from the floor and away from corners, vents or windows, to avoid interference in detection.
- Download our guide with the requirements
Electrical Features
| Batteries included | No |
|---|---|
| Alarm current | 0.07 A |
| Quiescent current | 15 µA |
| Power Type | Drums |
| Battery type | 3 x 1.5V AA LR6 alkaline batteries |
Mechanical Features
| Tamper-proof | No |
|---|---|
| Dimensions (LxWxH) | 107 x 77 x 36 mm |
| Degree of protection | IP20 |
| Indicator light | Yes |
| Body material | ABS |
| Relative atmospheric humidity | 93% |
Thermal Characteristics
| Operating temp. | -10 / 45 °C |
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Installation
| Installation height | 1.5 m |
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| Usage environment | Domestic |
| Coverage area | 20 m² |
| Place of employment | Internal |
| Connection Mode | Stand alone |
| Assembly | Wall |
General Features
| Package Type | Hanging box |
|---|---|
| Color | White |
| Package Contents | Manual, Detector, Fixing support, Plugs, Screws |
| Display | No |
| Battery life | 2 years |
| Sensor lifespan | 10 years since first commissioning |
| Additional functions | Self-diagnosis, Muteable |
| Acoustic indication | Yes |
| Optical indication | Yellow LED, Red LED, Green LED |
| Minimum noise level | 85 |
| Active protection | 24/7 (24 hours a day, 7 days a week) |
| Detection | Carbon monoxide |
| Replaceable sensor | No |
| Brand | join |
| Operating principle | Electrochemical cell |
Changed your mind? Here's what to do
If you want to return your order, we're here to help. You have the right to withdraw from the purchase within 14 days of delivery, without having to provide any reason.
Right of withdrawal (within 14 days)
The deadline is 14 days from delivery. If the order includes multiple items delivered separately, the deadline starts from the delivery of the last item.
The 14 days are calculated in calendar days, including Saturdays, Sundays, and public holidays. If the last day falls on a Saturday, Sunday, or public holiday, the deadline is extended to the next working day.
How to exercise it: Initiate the request from the dedicated function in your account: https://account.oniroview.com → Orders section → "Manage" → "Request Return". The withdrawal is validly exercised at the moment you send the online request; it is not subject to our prior authorization.
- Return: You must send the products back within 14 days from the date you notified us of the withdrawal.
- Refund: We will refund you within 14 days of the withdrawal notification. We may withhold the refund until we have received the goods or proof of their shipment, whichever occurs first.
- Full withdrawal (you return all products in the order): 100% refund of the price plus standard outbound shipping costs. If you chose a more expensive delivery than the standard one at the time of the order, any supplement is not refundable.
- Partial withdrawal (you return only some products): refund of the price of only the returned products; outbound shipping costs are not refunded. If the order benefited from free shipping due to reaching a threshold and the partial return causes the value to fall below that threshold, the corresponding shipping cost will be calculated and deducted from the refund.
- Return costs: The direct costs of return are borne by the customer.
- Diminution in value: You are only responsible for any diminution in the value of the goods resulting from handling other than what is necessary to establish their nature, characteristics, and functioning. In such a case, we will deduct from the refund an amount corresponding to the ascertained lost value.
The refund will be made using the same payment method used for the purchase.
Exclusions from the right of withdrawal
Pursuant to Article 59 of the Consumer Code, withdrawal does not apply to:
- goods made to measure or clearly personalized (e.g., cables cut to size, custom configurations);
- sealed goods that are not suitable for return for hygienic reasons or health protection, if unsealed after delivery;
- digital content supplied on a non-material medium, if the performance has begun with your prior consent and acceptance of the loss of the right of withdrawal.
Outlet Items: Items in the Outlet category are sold as final sale and are not returnable.
B2B Sales: The right of withdrawal does not apply to contracts concluded with customers holding a VAT number.
How to ship the return
Once the request has been submitted, send all items to: Oniroview, Via Piave 17, 95129 Catania (CT), Italy.
- Pack carefully and use secure, tracked shipping: products lost or damaged during return transit cannot be refunded.
- To protect the original packaging, place it in a second box when possible. Do not apply labels or adhesive tape directly to the product's original packaging.
Tax deductions and benefits for ordinary and extraordinary maintenance
To request tax breaks, send your request to the email address: amministrazione@oniroview.com
IRPEF deductions at 50%
You are entitled to a 50% deduction for the purchase of products connected to building interventions, such as electrical systems, video intercoms and alarm systems and LED lighting. It is not required to send any documents to our company. To take advantage of the deduction, simply indicate the total expense in your 730 or in the Unico form.
The documents to be kept are:
- Bank transfer receipt
- Purchase invoices showing the nature, quality and quantity of the goods purchased and, preferably, the buyer's tax code
Procedure to follow:
- Place an order on our site by selecting "Bank Transfer" as the payment method.
- Request the invoice and indicate the desired deduction in the order notes.
- Make the payment via bank transfer, compliant with the provisions of the Revenue Agency. The transfer must include:
- Reason for payment (include order number and date)
- Oniroview tax code and/or VAT number: 05660420877
- Tax code of the payer
In the absence of even one of the two fields indicated above, the order will be processed without invoicing.
10% reduced VAT for building renovations and conservative renovations ( 10% REDUCED VAT - 50% TAX DEDUCTION)
Purchase of goods, with the exclusion of raw materials and semi-finished products, used in conservative restoration and building renovation. Use for the purchase of LED lighting is permitted .
Requested documents:
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Copy of Identity Card
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Copy of valid tax code or health card
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Copy of DIA or SCIA or CIL (or building permit) where the "Type of intervention" is indicated
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Declaration for reduced VAT ( download the form here )
The documents indicated above must be sent to the email address amministrazione@oniroview.com , after completing the order. Once the documentation has been verified, we will issue an advance invoice with the reduced VAT to proceed with the payment.
Procedure to follow:
- Place an order on our site by selecting "Bank Transfer" as the payment method.
- Request the invoice and indicate in the order notes by writing "your tax code and advance invoice for renovation and restoration, VAT 10%" in the same 'Order note' field.
- Make the payment via bank transfer indicating the invoice number
In the absence of even one of the two fields indicated above, the order will be processed without invoicing.
VAT reduced at 4% for the construction of the first non-luxury home
The use of LED lighting for the purchase of non-luxury properties is permitted (the property must not have luxury characteristics, according to the criteria indicated in the decree of 2 August 1969).
Requested documents:
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Copy of Identity Card
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Copy of valid tax code or health card
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Copy of DIA or SCIA or CIL (or building permit) where the "Type of intervention" is indicated
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Declaration for reduced VAT ( download the form here )
The documents indicated above must be sent to the email address amministrazione@oniroview.com , after completing the order. Once the documentation has been verified, we will issue an advance invoice with the reduced VAT to proceed with the payment.
Procedure to follow:
- Place an order on our site by selecting "Bank Transfer" as the payment method.
- Request the invoice and indicate in the order notes by writing "your tax code and advance invoice for the facilitation of construction of a first home, VAT 4%" in the same field.
- Make the payment via bank transfer indicating the invoice number
In the absence of even one of the two fields indicated above, the order will be processed without invoicing.
Furniture Bonus
Purchase of Furniture and Appliances, including LED lighting for private individuals and condominiums. Legislative decree no. 63/2013 introduced a further 50% deduction for the purchase of furniture and large appliances and LED lighting, aimed at furnishing properties undergoing renovation.
The main prerequisite for obtaining the deduction is the carrying out of a recovery intervention on the building heritage (renovation, restoration, etc.).
It is not required to send any documents to our company. To take advantage of the deduction, simply indicate the total expense in your 730 or in the Unico form.
The documents to be kept are:
- Bank transfer receipt
- Purchase invoices showing the nature, quality and quantity of the goods purchased and, preferably, the buyer's tax code
Procedure to follow:
- Place an order on our site by selecting "Bank Transfer" as the payment method.
- Request the invoice and indicate in the order notes by writing "your tax code and "advance invoice for mobile bonuses" in the same field.
- Make the payment via bank transfer indicating the invoice number
In the absence of even one of the two fields indicated above, the order will be processed without invoicing.
VAT exemption with Reverse Charge and Split Payment
To take advantage of reverse charge and split payment on Oniroview.com, Public Administration suppliers and companies that perform services through procurement and subcontracting contracts must follow this procedure:
- Complete the order on our website by selecting "Bank transfer" as the payment method.
- Specify in the order notes that you have the necessary documentation for VAT-free payment.
- Send the documentation to facilitazioni@oniroview.com , including the order reference.
After verifying the documentation, we will issue an advance invoice with the reduced VAT to proceed with the payment.
Complete Guide to the Correct Use of Carbon Monoxide Detectors
What is Carbon Monoxide and Why is it Dangerous?
Carbon monoxide (CO) is an extremely dangerous, odorless, and colorless gas produced by the incomplete combustion of combustible materials such as gas, wood, coal, or oil. Since it is impossible to detect it without appropriate instruments, prolonged exposure can cause serious health damage or, in extreme cases, be lethal. For this reason, installing a carbon monoxide detector is an essential measure for safety at home and in the workplace.
Where and How to Install a Carbon Monoxide Detector
Following installation guidelines is crucial to ensure effective detection and prevent dangerous situations. Here are specific instructions for each environment:
Kitchen
- Ideal placement:
- Install the sensor at a height between 1.5 and 2 meters (5 to 6.5 feet) from the floor.
- Place the sensor in an area free from obstacles that could limit detection, avoiding furniture, curtains, or other barriers.
- Safety distances:
- Keep the sensor at least 1.5 meters (5 feet) away from stoves, ovens, or other combustion sources.
- Position it away from windows or fans.
- Specific environments: Ensure the sensor is designed to withstand typical kitchen temperature and humidity variations.
Bathroom
- Moisture protection:
- Use a sensor with a high IP rating, such as IP44 or higher.
- Install it at least 2 meters (6.5 feet) away from showers, bathtubs, or sinks.
- Correct positioning: Place the sensor at a height between 1.5 and 2 meters (5 to 6.5 feet) from the floor.
Bedroom
- Safety during sleep: Position the sensor near the sleeping area, so that the alarm is easily audible during rest.
- Prevention: If there are fireplaces or stoves in the room, maintain a minimum distance of 1.5 meters (5 feet).
Living Room
- Optimal coverage: Position the sensor in a central, easily visible spot, free from obstacles such as furniture or curtains.
- Alarm: Choose a device with audible and visual signaling that is perceptible even in adjacent rooms.
Periodic Maintenance: An Essential Step
- Regular tests: Test the alarm monthly to check its functionality.
- Battery replacement: Change them at least once a year or when the device indicates it.
- Cleaning: Keep the sensor free from dust and debris.
- Lifespan: Check the manufacturer's instructions to know when to replace the device (typically every 5-10 years).
Disclaimer
The information provided in this guide is based on general safety standards and product guidelines. However:
- Always consult a qualified professional to ensure installation complies with standard UNI 11522:2014.
- Oniroview disclaims all responsibility for installations performed incorrectly or not in accordance with the product's technical specifications.
- This guide does not guarantee the detector's operation in all environmental conditions.
- Detection devices do not replace the proper maintenance of combustion appliances or ventilation systems.
Conclusion
Installing a carbon monoxide detector is an indispensable measure for home and professional safety. Follow these guidelines to ensure the device functions correctly and protect your family or colleagues from the risks associated with carbon monoxide. Preventing an accident can save a life!










