What safety measure is critical when using an LP gas appliance?

Monitoring for gas leaks is a critical safety measure when using an LP gas appliance because LP gas is highly flammable and can pose serious safety risks if a leak occurs. Unnoticed leaks can lead to dangerous explosions, fires, and health hazards due to inhalation of gas. Regularly checking for leaks ensures that any issues are identified and addressed promptly, which helps maintain safe operation.

While regular refilling of the gas tank is important for ensuring the appliance operates efficiently, it does not directly contribute to ongoing safety checks once the gas is in use. Using a higher temperature setting does not enhance safety and may even increase the risk of accidents if not managed correctly. Additionally, lighting the appliance without proper checks can be extremely hazardous, as it may ignite accumulated gas if there is a leak. In summary, consistently monitoring for gas leaks is essential for ensuring safe usage of LP gas appliances, making it the most critical safety measure.