Here are our Backflow Test Kits. You can also use the comparison chart page.
What is the difference between the TK-13 and TK-13G or TK-15 and TK-15G you ask?
The additional 0-160 psi gage
What is the difference between the TK-13 series and TK-15 series?
The TK-13 series is a 3 valve and the TK-15 series is a 5 valve.
This Backflow Test Kit is a 5 valve with 175 psi gage.
Model TK-15… $499.00