Hayward RegenX RG450 Piston Knob (RGX45K) airbuttonparts This Hayward universal header assembly

This Hayward universal header assembly is intended for compatible H-Series heater service where the existing header is cracked

That adds a practical service advantage beyond simple replacement

and lower body alignment come together

this Waterway wet end is a practical replacement when the complete 48-frame wet-side assembly needs restoration

Helps convert pneumatic button input into compatible switching action

Hayward RegenX RG450 Piston Knob (RGX45K) airbuttonparts This Hayward universal header assemblyRestore control to the push pull piston assembly on compatible Hayward RegenX RG450 systems with this replacement knob. A solid knob makes valve operation easier and helps service technicians or pool owners manage filter flow changes more confidently. Replacement piston knob for RegenX RG450 applications Supports easier push pull valve operation Good fix for cracked, stripped, or missing knobs Helps maintain practical service access Designed for