Hayward FDXLFHA1930 Header Assembly – Universal H-Series Low NOx Pool Heater

The Hayward FDXLFHA1930 header assembly is a direct replacement front manifold for Universal H-Series Low NOx pool heaters. It restores proper water flow and sealing through the heat exchanger and is designed for major heater models in the series.

Key Features

Replaces the front header assembly in the Universal H-Series Low NOx heater line.
Precision-engineered to fit existing heater plumbing and mounting configuration.
Constructed to maintain efficient circulation and manage water flow through the heat exchanger.
Helps restore heater performance when the original header has been compromised.

Technical Specifications

Part Number: FDXLFHA1930
Application: Front header/manifold assembly for targeted heater series
Weight (approx): ~5.6 lb
Compatibility: Universal H-Series Low NOx models (various BTU ratings)

Installation & Compatibility Notes

Prior to installation, shut off the heater, ensure no pressure in the lines, and allow it to cool. Remove the old header assembly and inspect surrounding castings and connections. Clean all seal surfaces and re-install the replacement header assembly ensuring alignment and full sealing. After installation, restore service and confirm proper operation without leaks or restrictions.

Maintenance Tips

Check for signs of corrosion, cracking or leakage at the header assembly during scheduled maintenance.
If heater flow drops or heat output decreases, inspect the header for wear or damage as part of your diagnostics.
Seal surfaces and connections should be cleaned and re-tensioned if the unit is serviced again.

Why Choose This Assembly?

For pool service professionals and advanced homeowners, this replacement header assembly offers an efficient way to restore the integrity of a Universal H-Series Low NOx heater. Instead of replacing the entire unit, the right header restoration can get the system back in service quickly and reliably.

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.