Heater Thermistor FDXLTER1930 for Hayward H-Series Pool Heater Lemfema

Description

Product Overview

The Lemfema FDXLTER1930 heater thermistor is a precision‑engineered component designed specifically for Hayward H‑Series low Nox pool heaters, including models H150FDN, H200FDN, H250FDN, H300FDN, H350FDN, and H400FDN. Crafted from high‑grade, oxidation‑resistant materials, this thermistor offers exceptional durability in the harsh, moisture‑laden environment of a swimming pool system. Its sealed waterproof construction protects the internal resistance element from corrosion, ensuring stable performance over many heating seasons.

Measuring just 4.17 x 2.13 x 0.59 inches and weighing only 2.11 ounces, the thermistor is compact enough to fit into the limited space of the heater’s sensor housing while delivering reliable temperature feedback to the control board. The part carries the manufacturer code Lemfema and is identified by ASIN B0DX1R9F77, making it easy to verify authenticity when ordering replacements. With a customer rating of 4.5 stars from verified buyers, the FDXLTER1930 has proven its effectiveness in real‑world pool applications.

Usage

This thermistor is intended for residential and light‑commercial swimming pools that rely on Hayward’s low Nox heater technology. It is ideal for pool owners who experience error codes such as SF (sensor failure), CE (communication error), or QC (quality control) and need a reliable replacement that restores proper heating function. Installation is straightforward: the thermistor plugs into the heater’s sensor socket, requiring only a few minutes of routine maintenance. Once installed, the heater will accurately monitor water temperature, allowing the system to maintain the desired set point efficiently.

The part is suitable for a variety of climates, from temperate regions where pool heating is occasional to colder zones where the heater runs for extended periods. Its robust design tolerates temperature fluctuations and chemical exposure, making it a dependable choice for year‑round pool operation. Whether you are a DIY enthusiast or a professional service technician, the FDXLTER1930 simplifies the repair process and minimizes downtime.

Why Choose Us

Choosing Lemfema means selecting a brand that prioritizes quality, reliability, and customer satisfaction. Each thermistor undergoes rigorous testing to verify resistance stability and waterproof sealing, ensuring that the component performs consistently under demanding pool conditions. Our commitment to precision engineering reduces the likelihood of premature failure, protecting your investment in the pool heating system.

We provide comprehensive support, including detailed installation instructions, troubleshooting guides, and responsive after‑sales service. If you encounter any issues, our technical team is ready to assist, offering advice on proper fitting and addressing any concerns about compatibility. By sourcing the exact OEM‑compatible part, you avoid the risk of mismatched components that could cause further errors or damage.

Furthermore, Lemfema maintains a transparent supply chain, guaranteeing that every thermistor shipped meets the specifications outlined by Hayward. This dedication to authenticity ensures that you receive a product that integrates seamlessly with your existing heater, delivering the performance you expect.

Key Features

• High‑quality oxidation‑resistant material extends service life and reduces corrosion risk.
• Compact design fits easily into Hayward heater sensor housings for quick replacement.
• Accurate temperature sensing eliminates common error codes and improves heating efficiency.
• Waterproof sealing protects the internal element from pool chemicals and moisture.
• Dedicated customer support ensures smooth installation and ongoing assistance.

FAQ

Is the FDXLTER1930 compatible with all Hayward H‑Series heaters?

Yes, the thermistor is designed to work with Hayward H‑Series low Nox models, including H150FDN, H200FDN, H250FDN, H300FDN, H350FDN, and H400FDN. Always verify the model number before purchasing.

How do I install the thermistor?

Installation is simple: turn off the heater power, locate the sensor socket, disconnect the old thermistor, and plug in the new FDXLTER1930. Re‑activate the heater and the system will recalibrate to the new sensor.

What error codes does this thermistor help resolve?

The thermistor addresses error codes such as SF (sensor failure), CE (communication error), and QC (quality control), restoring normal heating operation when replaced.

Can I install the thermistor myself?

Yes, the part is designed for DIY installation. With basic tools and the provided instructions, most pool owners can replace the sensor in under ten minutes.

What warranty does Lemfema offer?

Lemfema provides a one‑year limited warranty covering manufacturing defects, giving you confidence in the durability and performance of the thermistor.