Jandy JXi Gas Valve for Models 200, 260, 400$40595
Quick overview
- Genuine Jandy part The factory gas valve, part number R0591400.
- Covers three JXi sizes Listed for the JXi 200, 260 and 400 heater models.
- Meters gas to the burner The valve opens on a call for heat and holds the correct pressure while the heater runs.
- Safety shutoff It is also the component that closes the gas when the control drops out on a fault or a limit.
- A common failure point A valve that no longer opens, or that will not hold pressure, keeps a heater from firing even when everything else is healthy.
- Model specific JXi valves are not interchangeable across the wider Jandy heater range, so match the model before ordering.
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Product details
The Jandy R0591400 is the gas valve for JXi heater models 200, 260 and 400. It is the genuine Jandy part.
What the valve does
On a call for heat, the control energizes the gas valve, which opens and delivers gas to the burner at the pressure the heater is rated for. It is also the part that shuts the gas off the moment a limit trips or the control drops out, so it sits in both the operating and the safety path.
Symptoms of a bad valve
A heater that goes through its ignition sequence but never lights, or that lights and then cannot hold a steady flame, points at the valve once gas supply and inlet pressure have been confirmed. Because those symptoms overlap with ignition and sensor faults, it is worth checking the cheaper parts first.
Fitting
Replacing a gas valve is work for a qualified technician. The joints have to be leak tested and manifold pressure has to be checked against the rating plate before the heater goes back into service.
| Brand | Jandy |
|---|---|
| Manufacturer part number | R0591400 |
| UPC | 052337067379 |
| Type | Gas valve |
| Fits | Jandy JXi heater models 200, 260, 400 |
| Shipping weight | 3 lb |
| Ships | Parcel |
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