Tested 2 backflow preventers. Both devices have passed. Use: Domestic Water Type: DC Location: Water Heater Room in main building Make: Wilkins Model: 950XLT2 Serial #: AEA6727 Size: 2 inch Water Pressure at time of test: 95psi 1st check: 2.5 2nd check: 2.5 Use: Pool Type: RP Location: Pool mechanical room Make: Wilkins Model: 975XL2 Serial #: 4978831 Size: 1-1/2 inch Water Pressure at time of test: 95psi 1st check: 5.5 2nd check: 3.0 Relief: 2.0