Pentair Challenger High Pressure Pump Diffuser 3/4F, 1F, 1A, 1-1/2A | 355188 Parts and Accessories BubbleJet It also fits Sta-Rite System:2

It also fits Sta-Rite System:2 Modular D

the R0590400 is engineered to handle the heat

Pair it with a new O-ring or manifold kit to seal the system after upgrade

This kit is a replacement transformer for valves that have already been upgraded to the new transformer (R0861600)  This kit is only to replace already upgraded/newer transformers

Pentair Challenger High Pressure Pump Diffuser 3/4F, 1F, 1A, 1-1/2A | 355188 Parts and Accessories BubbleJet It also fits Sta-Rite System:2Pentair Challenger High Pressure Pump Diffuser 3 4F, 1F, 1A, 1 1 2A OEM Pentair Challenger high pressure pump diffuser for 3 4F1 1 2A models. Functional wet end flow part. SKU 355188. Features Genuine Pentair Challenger diffuser for high pressure pumps. Fitment across 3 4F, 1F, 1A, and 1 1 2A models. ooth water transition from impeller to volute. Description This OEM Pentair Challenger High Pressure Pump Diffuser (SKU 355188) helps maintain efficient