With an electronic leak detector or fluorescent dye.With an electronic leak detector or fluorescent dye.
Have a shop perform a leak test with a halogen detector.
automotive stores sell a leak detector dye that you shoot into the system and glows under a uv light
A gas particle analyzer, sometimes called a Freon Leak Detector; depending on how small the traces are.
Through a test plug
A solenoid in the leak detector pump
Charge with leak detector
Metal detector
perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test
The types of gases a gas leak detector detects is the not the regular kind. It detects some poisonous gases and gases harmful to your lungs or you in general.
One can find a cheap water leak detector from their nearest hardware store. Online retails like ProfessionalEquipment, HomeDepot, Amazon and eBay also provide cheap water leak detectors.
Buy a refrigerant with leak detector (dye) and use usual procedure for filling