Product Overview

The Hayward IDXLFLS1930 H-Series Heater Flame Sensor is a genuine Hayward replacement part designed for compatible Hayward H-Series Low NOx and Universal H-Series pool and spa heaters. This flame sensor helps the heater detect proper burner flame during operation, supporting safe ignition, reliable heating, and normal heater performance.

This replacement kit is commonly used when the existing flame sensor is worn, damaged, dirty, or no longer detecting flame correctly. A faulty flame sensor can cause ignition failure, heater lockouts, or shutdowns shortly after startup, making this an important service part for compatible Hayward gas heaters.

Ideal For

This flame sensor is ideal for pool service technicians, heater repair professionals, and pool owners servicing compatible Hayward H-Series pool and spa heaters. It is commonly used during heater diagnostics when flame detection, ignition, or burner operation problems are present.

Key Features

Genuine Hayward Replacement Part

Designed as an OEM Hayward replacement flame sensor for compatible H-Series heaters. Using the correct manufacturer replacement part helps ensure proper fit, accurate flame detection, and dependable heater operation.

Supports Safe Flame Detection

The flame sensor helps confirm that burner flame is present during heater operation. If flame is not detected properly, the heater may shut down as a safety measure.

Compatible with H-Series Low NOx and Universal H-Series Heaters

This part is listed for Hayward H-Series Low NOx Induced Draft, Universal Low NOx, FD, IDL, and IDL2 heater models. Common compatible models include H150FD, H200FD, H250FD, H300FD, H350FD, H400FD, H500FD, and select H250IDL / H350IDL / H400IDL models.

Kit Includes Multiple Flame Sensors

Some supplier listings describe IDXLFLS1930 as a kit that includes two flame sensors: one longer bent sensor for FD heaters and one shorter sensor for IDL heaters. Always confirm kit contents when receiving the product.

Helps Resolve Ignition and Lockout Issues

A failed or dirty flame sensor can cause the heater to ignite and then shut down, fail to recognize flame, or display flame-sensing related errors. Replacing the sensor can help restore proper heater operation when the sensor has been diagnosed as the issue.

Benefits

The Hayward IDXLFLS1930 flame sensor helps maintain safe, reliable heater operation by confirming proper flame presence during the heating cycle. Replacing a faulty flame sensor can help reduce nuisance shutdowns, restore ignition reliability, and support consistent pool or spa heating performance.

Professional installation is recommended because this part is used inside a gas-fired heater system. Always turn off power and gas before service, and confirm the heater model before ordering or installation.

Specifications

Customer-Facing Q&A

Q: What does the Hayward IDXLFLS1930 flame sensor do?
A: It detects burner flame inside the heater and helps confirm that the heater is operating safely during ignition and heating.

Q: Which heaters does this flame sensor fit?
A: It is commonly listed for Hayward H-Series Low NOx Induced Draft, Universal H-Series FD, IDL, and IDL2 heater models, including many H150FD through H500FD models and select H250IDL / H350IDL / H400IDL models.

Q: Is this a genuine Hayward part?
A: Yes. IDXLFLS1930 is listed by Hayward as a replacement flame sensor.

Q: What symptoms can a bad flame sensor cause?
A: A faulty flame sensor may cause ignition failure, flame-sensing errors, heater lockouts, or the heater starting briefly and then shutting down.

Q: Does this kit include more than one sensor?
A: Some listings describe this as a kit with two flame sensors: one for FD heaters and one for IDL heaters. Confirm the package contents before installation.

Q: Can I install this myself?
A: Professional installation is recommended because this part is used inside a gas heater and proper safety checks should be performed after service.