Hayward H-Series Low NOx Front Header After 10/2000 (HAXFHD1931) NuWhirl The water may seem cooler

The water may seem cooler than the display suggests

This makes it a strong choice for both functional replacement and cosmetic refresh work

For compatible 1-1/2 inch FPT plumbing systems

and included unions are the desired combination

Nidec and US Motors spa motors are dependable replacement options for restoring compatible spa systems

Hayward H-Series Low NOx Front Header After 10/2000 (HAXFHD1931) NuWhirl The water may seem coolerThe front header on an H Series Low NOx heater is a critical water side component, directing flow through the heat exchanger area while supporting reliable heater performance. This Hayward replacement front header is intended for compatible H Series Low NOx heaters manufactured after October 2000. A damaged or leaking header can affect water flow, create service issues, and place added strain on the heater system. Replacing the header with the correct