Tested (3) backflow preventers. 2 out of the 3 passed testing. Location: fire sprinkler room inside building Type: rp Use: Domestic water Make: watts Model: 009M2QT Serial number: 168567 Size: 2 inch 1st check: 9.0 2nd check: 7.5 Relief: 3.0 Passed This backflow needs (2) new test ports. Both test ports leak when turned on and off. Had to temporarily Cap them to stop leak. Location: fire sprinkler room inside Type: dc Use: fire Make: Ames Model: 2000SS Serial Number: 19506 Size: 4 inch 1st check: 0.0 2nd check; 3.5 Failed First check has failed Location: fire sprinkler room inside Type: rp Use: irrigation Make: Wilkins Model: 975xl2 Serial number: ACL5810 Size: 2 inch 1st check: 8.9 2nd check: 8.0 Relief: 3.0 Passed