Hayward Pool Heater Exhaust Gas Temperature Limit | FDXLEGL1930
Hayward Products
SKU: FDXLEGL1930
Hayward FDXLEGL1930 Exhaust Gas Temperature Limit (One-Use) — Universal H-Series / FD / H-Series 135K / Universal HC
The Hayward FDXLEGL1930 is an OEM exhaust gas temperature limit safety device used on select Hayward pool heaters. This is a one-use (non-resettable) limit that helps protect the heater by shutting it down if exhaust gas temperatures exceed safe operating levels. It’s a critical safety component for preventing damage from overheating, airflow restriction, or combustion issues.
Fits / Compatibility
- Hayward Universal H-Series heater applications (model/revision dependent)
- Hayward Universal H-Series Low NOx FD heater applications (model/revision dependent)
- Hayward H-Series 135,000 BTU induced draft / above-ground heaters such as H135ID and ABG135
- Hayward Universal HC heaters including HDF275 and HDF400
Fit tip: Heater parts can vary by model and revision. Confirm your heater model from the data plate and verify FDXLEGL1930 on the correct parts diagram before ordering.
What It Fixes
- Heater shutdown or lockout due to a tripped/failed exhaust temperature limit
- Safety circuit open condition traced to a blown one-time exhaust limit device
- Preventive replacement during combustion/venting service when the limit has been triggered
Common Causes of an Exhaust Limit Trip (Address Before Restarting)
- Blocked or restricted exhaust/venting
- Restricted air intake, debris in blower area, or poor combustion air supply
- Exchanger/combustion chamber issues or soot buildup
- Incorrect gas supply/combustion setup or other combustion-related faults
What’s Included
- (1) FDXLEGL1930 one-use exhaust gas temperature limit
Specs (Quick Reference)
- Part Number: FDXLEGL1930
- Part Type: Heater Parts
- Safety Type: One-use (non-resettable) exhaust gas limit
- Pool Type: In-Ground
- Warranty: 1-Year (Parts Only)
Installation Notes
- Turn off power and gas to the heater before service and allow the unit to cool.
- This is a safety device; if it has tripped, diagnose and correct the underlying cause before operating the heater again.
- Installation and combustion/venting diagnosis should be performed by a qualified technician.
Related Products
- Hayward FDXLEGL1930 (search)
- Hayward FDXLFSK1930 Fuse Service Kit (search)
- Hayward FDXLFWP1930 Field Wiring Panel / Fuse Board (search)
- Hayward FDXLIGN1930 Igniter (search)
- Hayward Universal H-Series FD Heater Parts (search)
Maintenance Tips
- Keep the heater’s air intake and exhaust areas clear of leaves, insects, and debris to maintain proper airflow.
- If the heater shows signs of soot or strong exhaust odor, stop use and have combustion inspected.
- Maintain proper water flow and balanced water chemistry to reduce internal stress on the heater.
- Address any safety shutdowns promptly—repeated cycling without fixing root causes can lead to larger failures.
Questions about returns? View our return policy.
Hours Of Operation:
Monday - Friday: 7:00 am to 5:00 pm Phoenix Time
Saturday: 8:00 am to 2:00 pm
Sunday: Closed
- We do not ship on Saturday or Sunday.
- Orders totaling more than $300 will require signature confirmation upon delivery.
- We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
- Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
- Expedited shipping options are available at checkout.
Return Policy:
- Products that are received damaged will receive a refund in store credit.
- Most products are eligible for return within 30 days of receipt, except where noted below.
- To initiate a return, please complete an RMA form prior to sending your item back.
- Original shipping costs are non-refundable and will be deducted from the return credit.
- Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
- Some returns will be charged an automatic 15% restocking fee.
- We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
- Please complete the return form to receive your RMA number and return shipping label.
- Chemical products are not eligible for return under any circumstances.
- The Pentair Colorsync 618031 is not eligible for return.
- Pool cleaners are not eligible for return.
- Opened seals and o-rings are not eligible for return.
- Capacitors are not eligible for return.
- Plastic popup tools are not eligible for return.
- Automation components and circuit boards are not eligible for return.
- If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
- Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
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