Raypak ELS/53A/55A/105A/105B/153/155A/183A/185A Knob Stop (006886F) adhesives Matching the correct blue-cam format

Matching the correct blue-cam format helps restore the original control behavior more accurately than substituting a generic switch

Supports high-flow systems

A properly selected Herga switch contributes to more dependable control behavior and a more accurate repair result

When a valve begins to feel rough or incomplete

Model-specific go-kits help streamline rebuilds for common Duraglass and Maxiglass pump platforms

Raypak ELS/53A/55A/105A/105B/153/155A/183A/185A Knob Stop (006886F) adhesives Matching the correct blue-cam formatThe Raypak knob stop is designed for compatible ELS, 53A, 55A, 105A, 105B, 153, 155A, 183A, and 185A heater applications where the supported control limiting component needs replacement. A knob stop is useful because it helps define or limit the intended range of knob travel, supporting a cleaner and more controlled user interface. This replacement is especially useful when the original stop is broken, missing, worn, or no longer holding the control