These are some necessary but mostly optional testing accessories that can help you get an accurate test or make it quicker and easier to get the test done.
They come from different manufacturers.
Quick Test Fittings (Set of 9) For Backflow Testing
PART# 110617 KIT, QUICK TEST FITTINGS (SET OF 9)
1/2" QUICK CONNECT TEST FITTING HARD ANODIZED ALUMINUM
PART# EZ150 1/2" QUICK CONNECT TEST FITTING HARD ANODIZED ALUMINUM (SET OF 3)
Apollo Seat Removal Tool Kit 1/2" -2"