What is the maximum input percentage an appliance should not exceed?

The maximum input percentage an appliance should not exceed is typically set at 90%. This standard is in place to ensure safety and efficiency in gas appliances. Exceeding this limit can lead to unsafe operating conditions, such as overheating, increased emissions, and the potential for carbon monoxide production, which poses serious health risks. Maintaining a maximum input of 90% helps in ensuring that appliances operate within their safe design limits, thus enhancing reliability and safety for the user. It promotes the effective combustion of fuel while reducing the chances of equipment failure and contributes to overall operational efficiency.