Resideo BP900/U 1/2" NPT Dual Check Backflow Preventer With Atmospheric Vent 55564 an immersion/penetration probe and a

an immersion/penetration probe and a surface probe (all TC type K

Material:  Nylon 35%

Lennox: 100925-01

Width: 8-1/2" Length: 20" Maximum Diameter: 5" Pipe Minimum Diameter: 1" Pipe

Includes built-in (on board) memory and the first ever non-contact voltage detector that is not handheld to help detect live cables from a greater reach than ever before

Resideo BP900/U 1/2" NPT Dual Check Backflow Preventer With Atmospheric Vent 55564 an immersion/penetration probe and aResideo BP900 U 1 2" NPT Dual Check Backflow Preventer With Atmospheric Vent Simple Control The Backflow Preventer from Resideo is designed to ensure continuous pressure applications on small supply lines. By using an intermediate vacuum breaker, it protects against backflow and back siphonage of contaminated water into portable water supplies. Suitable for hot or cold water service, and is ideal for applications like boiler feed lines and lab