Hayward RegenX RG450 Piston Knob (RGX45K) airbuttonparts and lower body alignment come

and lower body alignment come together

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

Helps restore or add wireless control connectivity

That adds a practical service advantage beyond simple replacement

Hayward RegenX RG450 Piston Knob (RGX45K) airbuttonparts and lower body alignment comeRestore 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