Hayward Control Module, Replacement | IHXMOD1931 RTF Such plates contribute to the

Such plates contribute to the smooth circulation of water throughout the setup

Napoleon CSL42K Classic Black Surround for Ascent Linear 42

Turn off the pump and relieve system pressure before servicing the relief assembly

It is rarely replaced unless structural damage is present

Easy to Clean: The open-weave design allows for quick debris removal

Hayward Control Module, Replacement | IHXMOD1931 RTF Such plates contribute to theWhat This Part Is Used For The Hayward IHXMOD1931 Control Module manages ignition and operational logic in compatible Hayward heater systems. It coordinates signals between sensors, switches, and ignition components. Why This Part Matters A failed control module can prevent ignition or cause repeated shutdowns. Reliable system coordination is essential for safe heater operation. Replacing the module restores proper startup sequencing and