Zodiac Jandy JXi 400 Natural Gas Fuel Orifice Kit (R0591604) checkvalves Helps restore fixed-flow jet output

Helps restore fixed-flow jet output

Speck pump volute for compatible E71 and E75 applications

In slip-connected plumbing runs

The Waterway 550-4390 outlet elbow assembly is designed for compatible Crystal Water 36 square foot D

Zodiac Jandy JXi 400 Natural Gas Fuel Orifice Kit (R0591604) checkvalves Helps restore fixed-flow jet outputMade for restoring the right fit during repairs, Zodiac Jandy JXi 400 Natural Gas Fuel Orifice Kit (R0591604) is a replacement heater parts component for Jandy JXi heater applications. It is used for metering gas flow for the listed fuel type and heater size, and it supports proper burner performance after fuel system service. For JXi heaters, matching the exact service kit matters because combustion, water flow, and control components are tightly