Jandy R0590100 Manifold Heater 3 Port for Jandy JXi Heaters (No Backplate)

Confirm the manifold port count

This listing describes a three-port heater manifold for Jandy JXi models 200, 260, and 400. Use it when your existing part is the same R0590100 component rather than another Jandy manifold variant.

• Count the ports on the old manifold; a three-port replacement is not automatically interchangeable with other port configurations.
• Check whether your heater already has a separate backplate before installing, because this listing identifies the manifold itself.
• Compare fittings and orientation visually against the removed part.

A wrong port count can leak or not connect. Source: Amazon product listing.