Kit Includes: 4.5"x20" DP BIG Duo Blue Housing, 1" NPT Inlet/Outlet, Gauge and Drain Ports, White Duo Bracket with Fold, Wrench, LubriKit+, 2 Drain Kits, 3 Gauges
Pressure-relief feature includes an O-ring seal, no spring is used that can result in a water leak
Uniquely threaded wall mount bracket screw ports on all heads for ease of installation
Accessories included are a housing wrench and LubriKit for O-ring lubrication
Clear and blue sumps with same pressure rating at 120 psi