Recreational Vehicle (RV) Technician Practice Test

What should be done if a high or low pressure propane hose needs a new fitting?

1. Repair the existing fitting

2. Replace the entire hose assembly

3. Use tape to seal the fitting

4. Cut the hose to fit a new fitting

The correct answer is: Replace the entire hose assembly

When a high or low pressure propane hose requires a new fitting, replacing the entire hose assembly is the safest and most reliable approach. Propane systems operate under pressure, and any repair or makeshift solution can lead to leaks, which pose significant safety hazards, including fire risks or explosions. Hoses and their fittings are specifically engineered to handle specific pressure ratings and environmental conditions. Over time, the integrity of a hose can be compromised due to wear, exposure to chemicals, or physical damage. Replacing the entire assembly ensures that all components meet safety standards and are capable of performing effectively together, thus preventing potential propane leaks. Although repairing an existing fitting might seem like a cost-effective solution, it can undermine the structural integrity of the hose and lead to failures. Similarly, using tape to seal a fitting does not provide a durable or effective seal for a propane application, as tape can degrade or become loose over time, resulting in dangerous leaks. Cutting the hose to fit a new fitting also compromises the length and pressure requirements of the assembly and may cause further issues down the line. Overall, opting for a complete replacement guarantees that the system remains safe and compliant with manufacturer specifications and regulations, making it the most prudent choice.