Product Overview

The Jandy R0591400 Gas Valve is a genuine Jandy / Zodiac replacement component designed for compatible Jandy JXi pool and spa heaters. This valve helps regulate gas flow to the burner system, supporting safe ignition, proper combustion, and reliable heater operation.

Designed for Jandy JXi heater models, this OEM replacement gas valve is commonly used when the original gas valve has failed, is not opening correctly, is leaking, or has been diagnosed as the source of heater ignition or combustion issues. It is an important safety-related heater component and should be installed only by a qualified professional.

Ideal For

This gas valve is ideal for pool service technicians, heater repair professionals, and licensed gas appliance technicians servicing compatible Jandy JXi heaters. It is commonly used during gas system repairs, ignition troubleshooting, burner service, and heater restoration.

Key Features

Genuine Jandy / Zodiac Replacement Part: Designed as an OEM replacement part for compatible Jandy JXi heaters. Using a genuine replacement gas valve helps ensure proper fit, correct gas flow control, and reliable operation with the heater’s burner system.

Supports Safe Gas Flow Control: The gas valve regulates fuel delivery to the heater burner assembly. Proper gas valve operation is essential for ignition, combustion, flame stability, and overall heater safety.

Compatible with Jandy JXi Heater Models: Commonly listed for Jandy JXi 200, JXi 260, and JXi 400 pool and spa heaters. Some supplier listings also reference compatibility with JXiQ and JXi ASME heater models in 200, 260, and 400 sizes.

Important Ignition System Component: A faulty gas valve can cause ignition failure, burner issues, heater lockouts, or inconsistent heating performance. Replacing the gas valve can help restore proper heater operation when the valve has been professionally diagnosed as defective.

Professional Installation Required: Because this part controls gas flow, installation should be completed by a qualified pool heater technician, licensed gas professional, or authorized service provider. Gas pressure, leak testing, wiring, and combustion operation must be checked after installation.

Benefits

The Jandy R0591400 Gas Valve helps restore proper gas control for compatible JXi heaters, supporting dependable ignition and safe burner operation. Replacing a failed valve can help correct heater startup issues, gas delivery problems, or burner operation faults when the gas valve is confirmed to be the problem.

This part is a targeted repair solution that allows service of the heater gas control system without replacing the entire heater. Always verify the heater model, gas type, and service diagnosis before ordering or installation.

Specifications

Customer-Facing Q&A

Q: What does the Jandy R0591400 gas valve do?
A: The gas valve controls fuel flow to the heater burner assembly, helping the heater ignite and operate properly.

Q: Which heaters does this gas valve fit?
A: It is commonly listed for Jandy JXi 200, JXi 260, and JXi 400 pool and spa heaters. Some listings also reference JXiQ and JXi ASME models in the same size range.

Q: Is this a genuine Jandy replacement part?
A: Yes. R0591400 is listed as a genuine Jandy / Zodiac replacement gas valve.

Q: When should this gas valve be replaced?
A: It may need replacement if the heater has ignition failure, gas flow issues, burner problems, or if a qualified technician has tested and confirmed that the gas valve is faulty.

Q: Can I install this gas valve myself?
A: No. This is a gas-control safety component and should be installed by a qualified pool heater technician or licensed gas professional.

Q: Does this part work for both natural gas and propane heaters?
A: Compatibility should be verified against the exact heater model, gas type, and manufacturer parts diagram before ordering. Gas type and installation requirements are critical for safe operation.