Flame sensors are small components with a big role: they confirm combustion and shut down fuel when no flame is detected. Below is a concise comparison of well-reviewed replacement flame sensors suitable for pool and furnace heaters so you can match the part to your system quickly.
| Product | Application | Key Feature |
|---|---|---|
| FATCANMA IDXLFLS1930 | Hayward Universal H-Series Pool Heaters | Durable Metal Construction |
| Hayward IDXLFLS1930 (OEM) | Hayward Universal H-Series Pool Heaters | OEM Fitment For H-Series |
| Apopip IDXLFLS1930 | Hayward Universal H-Series Pool Heaters | High-Quality Materials |
| Holdia IDXLFLS1930 Compatible | Hayward Universal H-Series Pool Heaters | Broad H-Series Compatibility |
| Puxyblue 62-23543-01 Furnace Sensor (2-Pack) | Rheem / Ruud / Multiple Furnaces | 2-Pack, Stainless Steel |
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FATCANMA IDXLFLS1930 Flame Sensor Replacement
This replacement flame sensor is designed to address ignition cycling and ignition-failure issues in Hayward Universal H-Series low-NOx induced draft pool heaters. The listing emphasizes compatibility with a broad set of H-Series models including H150FDN, H250FD, H300FD, H350FD and H400FD series.
- Compatibility: Listed for many Hayward Universal H-Series induced draft and gas heater models.
- Construction: Metal sensor body for rapid ignition detection and purported long service life.
- Function: Intended to resolve turn-off/turn-on cycling and ignition failure symptoms.
Use this part when diagnostics indicate a failed flame sensor in supported Hayward models. Verify your heater model number against the compatibility list before ordering.
Hayward IDXLFLS1930 Flame Sensor Replacement
This is the OEM Hayward-branded IDXLFLS1930 flame sensor listed for Universal H-Series low NOx induced draft heaters. The OEM listing highlights the same family of compatible models as the aftermarket parts, making it a direct-fit replacement for many Hayward units.
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- OEM Part: Manufactured or officially listed under Hayward for direct replacement.
- Application: Fits multiple H-Series induced draft and select gas heater models.
- Reliability: Specifies fitment to original equipment design and connector interface.
Choose the OEM option if you prefer manufacturer-specified replacements and want to ensure form, fit, and connector match without modification.
Apopip IDXLFLS1930 Flame Sensor Replacement
Apopip offers the IDXLFLS1930 flame sensor as an aftermarket replacement for the Hayward Universal H-Series. The product description stresses durable materials and extended service life compared to the original part.
- Material Quality: Marketed as high-quality, durable materials intended for extended life.
- Fitment: Lists the same H-Series models as compatible units.
- Application Focus: Replacement for Hayward induced draft pool heater flame sensors.
This option may be selected when matching OEM fitment is desired but buyers prefer aftermarket alternatives emphasizing durability claims. Confirm connector type and sensor length before installation.
Holdia Pool Heaters IDXLFLS1930 Compatible Sensor
Holdia lists an IDXLFLS1930-compatible sensor intended for multiple Hayward Universal H‑Series low NOx induced draft pool and spa heaters. The listing emphasizes part number replacement and broad H-Series coverage.
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- Part Number Replacement: Marketed as a direct replacement for IDXLFLS1930.
- Wide Compatibility: Supports H150FD through H500FD and H250IDL/H300IDL/H400IDL listings.
- Application: Pool and spa heater flame detection replacement.
Holdia’s listing is useful when users require a wide-coverage replacement and want clear compatibility notes across many H‑Series models. Always compare physical dimensions and connector style to the original sensor.
Puxyblue 62-23543-01 Furnace Flame Sensor 2-Pack
This listing targets residential furnaces rather than pool heaters. The 62-23543-01 sensor fits many Rheem, Ruud, WeatherKing, and other furnace models and is sold as a two-pack. It’s constructed from stainless steel and ceramic for temperature resilience.
- Intended Systems: Designed for furnaces (Rheem/Ruud and compatible brands) rather than pool heaters.
- 2-Pack Value: Two sensors included, useful for back-up or dual-furnace homes.
- Durability: Stainless steel and ceramic components for heat resistance and longevity.
Select this part when replacing a furnace flame sensor with the referenced part number family. Verify model compatibility using the furnace’s part number and service manual.
Buying Guide For Flame Sensor Heater Replacements
Replacing a flame sensor requires matching the part to the heater type and model. The following considerations help ensure compatibility and safe operation.
1. Confirm Heater Type And Model
Pool Heater vs. Furnace: Many IDXLFLS1930 listings are specific to Hayward Universal H-Series pool and spa heaters. Furnace sensors (for Rheem, Ruud, etc.) use different part numbers such as 62-23543-01. Confirm the appliance type and manufacturer model plate before ordering.
2. Match Part Number And Fitment
Exact Part Number: Use the OEM part number printed on the old sensor or in the service manual. Aftermarket listings often reference IDXLFLS1930 as the replacement; OEM Hayward listings carry identical part references. Ensure the sensor length, mounting tab, and connector match.
3. Material And Construction
Sensor Tip And Insulator: Flame sensors usually have a metal probe and ceramic or insulative base. Stainless steel probes resist corrosion and high heat. Check materials if your heater operates in a corrosive environment or outdoors.
4. Electrical Connector And Wiring
Connector Compatibility: Flame sensors connect to the control module with a single conductor. Confirm the terminal type (quick-disconnect, screw, or pigtail) matches your heater or plan to adapt appropriately with correct-rated connectors.
5. Operating Environment
Induced Draft vs. Atmospheric: Induced-draft units and direct-vent systems may position the sensor differently. Ensure that the replacement sensor orientation and probe length allow proper flame sensing in your combustion chamber.
6. OEM Vs. Aftermarket
OEM: Typically assures exact fit and manufacturing specs. Aftermarket: May offer improved materials or lower cost. Objectively weigh form-fit certainty against claimed durability improvements and seller reputation.
7. Quantity And Backup
Buying Multipacks: Furnace sensors often come in two-packs, which can provide a spare. For pool heaters, single replacements are common. Consider stocking a spare if downtime of your heating system is a concern.
8. Installation And Safety
Qualified Technician: If you are not experienced with gas appliances, hire a licensed technician to install and test the sensor and ignition system. Proper grounding, sensor positioning, and control board checks are important for safe operation.
9. Symptoms That Indicate Sensor Replacement
- Intermittent Ignition: Heater lights then shuts down repeatedly.
- No Flame Detected: Control board locks out with a flame-sense fault.
- Visible Corrosion: Sensor probe shows buildup or oxidation.
- Age: Original sensors from older units may degrade and benefit from replacement.
10. Comparison Perspectives
Pool Heater Sensors: IDXLFLS1930-compatible parts are focused on ensuring fit across many Hayward H-Series models; select OEM for exactness or reputable aftermarket for claimed improved materials.
Furnace Sensors: Part numbers like 62-23543-01 are different families—look for compatibility lists and two-pack options if you prefer having a spare. Verify with furnace model and part number guides.
Durability vs. Fit: Aftermarket vendors may advertise longer life; validate these claims through returned product specs, material listings, and user installation reports where available.
Final Tip: Always turn off power and gas supply before replacing a flame sensor and confirm correct sensor placement and secure electrical connection during reassembly. If uncertain, consult the heater’s service manual or a licensed HVAC technician.
Tips for Getting the Best HVAC Prices
- Prioritize Quality Over Cost
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