HVAC - EPA Certification Practice Exam 2025 - Free EPA Certification Practice Questions and Study Guide

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What is a requirement for system-dependent recovery devices?

They can be used on any appliance

At least one self-contained recovery device must be available

System-dependent recovery devices are specifically designed to recover refrigerant from appliances that have a positive-pressure refrigerant. These devices rely on the existing system—such as a compressor—of the appliance to assist in the recovery process. Therefore, it is essential to have at least one self-contained recovery device available within the recovery process to ensure that refrigerant can be effectively and safely recovered without relying solely on the system-dependent device.

This requirement safeguards against potential complications arising from using only system-dependent devices, which may not be efficient or effective under all circumstances, particularly if the system is not operational or if there is a risk of residual refrigerants escaping. Hence, having a self-contained recovery device ensures compliance with environmental regulations and better protects the integrity of the recovery operation.

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They must be compatible with all refrigerants

They do not need to be leak tested

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