Sunluway integrated control board replacement for Hayward H150-H400 Low NOx heaters - plug-and-play, moisture-resistant OEM fit

Sunluway FDXLICB1930 is a plug-and-play integrated control board replacement designed to restore and improve the performance of Hayward H‑Series Low NOx pool heaters.

If your Hayward H150–H400 Low NOx heater is showing control faults or failing to operate reliably, this Sunluway replacement kit provides a tested, OEM‑grade option to get the unit running again. The board matches the electrical and functional layout used on many Hayward universal H‑Series models and ships as a complete kit for straightforward installation.

Which Hayward heater models will this board work with?

This kit fits a range of Hayward universal H‑Series Low NOx heaters, but model confirmation is essential before purchase. Verify your unit model number (for example H150FDN, H200FDP, H300FDP, etc.) to ensure compatibility.

• Compatible with H150FDN/FDP through H400FDN/FDP series.
• Designed for the Hayward universal H‑Series Low NOx family.
• Check your heater’s model plate and part number prior to ordering.

How difficult is installation and what’s included?

Installation is intended to be straightforward: the replacement is supplied as a complete kit and engineered for a direct swap with the original board. Basic mechanical and electrical skills are recommended; follow safety procedures and disconnect power before beginning work.

• All necessary connectors and mounting points match OEM locations.
• Factory-tested unit reduces troubleshooting time after install.
• No special programming required—plug-and-play electrical layout.

Will this board improve heater efficiency or durability?

The Sunluway board incorporates a Header By‑Pass design to reduce unnecessary pump run time and promote even water flow through heat exchangers. That design helps lower operational energy use while resisting moisture and chemical exposure for longer service life.

• Header By‑Pass reduces pump run time and helps conserve energy.
• Moisture and chemical‑resistant components for saltwater pool environments.
• Meets or exceeds OEM electrical specifications for reliable operation.

What support is available if I have questions after purchase?

Sunluway provides customer assistance for product fitment and post‑purchase concerns. If you encounter installation issues or compatibility questions, contact support with your heater model and photos of the existing control board for faster guidance.

• After‑sale help for fitment and troubleshooting.
• Recommend verifying model and measurements before ordering.
• Replacement backed by factory testing and quality checks.

Who is this for: Technicians, pool service professionals, and experienced DIYers who maintain Hayward H‑Series Low NOx pool heaters and need a reliable, OEM‑spec replacement control board. If you require a straightforward swap to restore heater function, improve energy handling, and resist harsh pool environments, this Sunluway FDXLICB1930 kit is built for that purpose. Always confirm your heater’s exact model number before purchase and observe electrical safety when installing.