Pentair Hot Surface Ignitor [w/Gasket] 500–2000 (2400-286) kingtechnology It helps stabilize the sealing

It helps stabilize the sealing assembly in compatible filter systems

and this G & P Tools version is designed for Waterway Poly Jet applications using the 99-366-1085 reference

avoid improvised hardware

Helps restore cleaner pump serviceability

Replacement is often needed when the original bolt is corroded

Pentair Hot Surface Ignitor [w/Gasket] 500–2000 (2400-286) kingtechnology It helps stabilize the sealingDesigned for service accuracy, Pentair Hot Surface Ignitor [w Gasket] 5002000 helps keep Pentair equipment operating as intended after wear, aging, or routine maintenance. The product belongs in the Heater Parts category, making it easier to locate alongside related repair parts during equipment rebuilds or seasonal service. Inspect sealing surfaces before installation so the replacement can seat cleanly and help prevent leaks, bypass, or pressure