A leak detection system for testing a non-pressurized conduit , the leak detection system comprising: a first fluid section comprising: a first fluid line ; and an attachment member configured to be secured to the non-pressurized conduit , the attachment member comprising a testing chamber connected to the first fluid line , the attachment member comprising a first member and a second member configured to be moved between an open position and a closed position, the attachment member further comprising a seal providing for the testing chamber to be airtight when the first and second members are in the closed position; a second fluid section comprising a second fluid line connected to the first fluid line ; valves connected to the first fluid line and the second fluid line , the valves adjustable between open and closed positions to control fluid entering and exiting the first fluid line and the second fluid line , and to control a flow of the fluid between the first and second fluid lines ; a fluid movement device connected via a supply line to each of the first and second fluid lines and configured to create a desired fluid pressure within the first and second fluid lines ; wherein once the desired fluid pressure is achieved, the valves can be closed to isolate the first and second fluid sections from the fluid movement device ; and a pressure sensor connected to each of the first and second fluid lines and configured to sense a difference in fluid pressure between the first fluid line and the second fluid line over time. a first fluid section comprising: a first fluid line ; and an attachment member configured to be secured to the non-pressurized conduit , the attachment member comprising a testing chamber connected to the first fluid line , the attachment member comprising a first member and a second member configured to be moved between an open position and a closed position, the attachment member further comprising a seal providing for the testing chamber to be airtight when the first and second members are in the closed position; a first fluid line ; and an attachment member configured to be secured to the non-pressurized conduit , the attachment member comprising a testing chamber connected to the first fluid line , the attachment member comprising a first member and a second member configured to be moved between an open position and a closed position, the attachment member further comprising a seal providing for the testing chamber to be airtight when the first and second members are in the closed position; a second fluid section comprising a second fluid line connected to the first fluid line ; valves connected to the first fluid line and the second fluid line , the valves adjustable between open and closed positions to control fluid entering and exiting the first fluid line and the second fluid line , and to control a flow of the fluid between the first and second fluid lines ; a fluid movement device connected via a supply line to each of the first and second fluid lines and configured to create a desired fluid pressure within the first and second fluid lines ; wherein once the desired fluid pressure is achieved, the valves can be closed to isolate the first and second fluid sections from the fluid movement device ; and a pressure sensor connected to each of the first and second fluid lines and configured to sense a difference in fluid pressure between the first fluid line and the second fluid line over time. <EOS>