Waterway 4.0 HP Viper Spa Pump Wet End [2 1/2" MBT X 2 1/2" MBT] [56 Frame] (310-0140) spacovers A handrail stabilizing plug helps

A handrail stabilizing plug helps support and stabilize a compatible handrail installation

1 inch slip / 3/4 inch spigot adapter-style connection

A wheel hub helps support and secure the wheel assembly of a compatible cleaner

When an existing control becomes stiff

Supports more dependable system temperature feedback

Waterway 4.0 HP Viper Spa Pump Wet End [2 1/2" MBT X 2 1/2" MBT] [56 Frame] (310-0140) spacovers A handrail stabilizing plug helpsThe Waterway 310 0140 wet end is designed for compatible 4. 0 HP Viper spa pump applications and features 2 1 2 inch MBT by 2 1 2 inch MBT connections in a 56 frame configuration. A wet end like this is useful because it restores the full hydraulic side of the pump while keeping the larger connection format and 56 frame design used by the original Viper assembly. Complete wet end replacements are especially practical when the wet side has broader wear