What are wet and dry prime?
Wet prime is the industry term for pumps that require fluid to be in the pump housing prior to start-up for prime to occur. Wet prime pumps are often called ‘self-primers’. Dry prime pumps are those that have an additional system added to create suction without requiring liquid to be in the pump housing prior to start-up. Dry prime pumps come in two versions – compressor assisted, and vacuum assisted. Only Thompson Pump offers a full line of wet and dry prime pumps, with both compressor assisted and vacuum assisted available.
