Description
E-switch Knob, Polished Chrome (33-23-201-PPC) for Bath & Spa Pumps
Upgrade your spa or pool pump control with the E-switch Knob in polished chrome, a precision-crafted component designed for reliable electronic on/off operation. Built by Vico, this knob sits atop an electronic on/off switch, delivering a clean 1/4-turn action that powers your pump with a decisive, tactile click. It’s the ideal upgrade for bath and spa installations that demand durable performance and simple, long-lasting control.
Why this E-switch knob stands out
- Polished chrome finish creates a timeless, corrosion-resistant surface that holds up in humid bath environments while elevating the control panel’s aesthetic.
- Precise 1/4-turn operation provides quick power cycling with reliable feedback, reducing wear on internal components and minimizing accidental toggles.
- Direct integration is designed to pair with the V64-13-001 relay that mounts inside the pump housing, supported by a clear wiring diagram to guide installation.
- Design compatibility tailored for common bath and spa control architectures, making it a dependable choice for Aquaglass and other bath pump setups without compromising panel layout.
- Brand and reliability backed by Vico’s heritage in high-quality bath and spa components, ensuring consistent performance across service life and after-market repairs.
Use cases and ideal fit
This knob is purpose-built for spa and pool pump assemblies that require an electronic on/off switch with a straightforward, tactile control. It’s perfect for:
- Replacing worn or difficult-to-operate knobs on spa control panels
- Retrofits where a robust 1/4-turn switch is preferred for durability and ease of use
- Service work for Aquaglass or bath-pump systems that rely on the V64-13-001 relay within the pump housing
Installation tips and care
For best results, follow the included wiring diagram when pairing the knob with the V64-13-001 relay inside the pump housing. Keep the chrome surface clean with a soft, damp cloth and mild cleaner; avoid abrasive pads or harsh chemicals that could dull the finish over time.
Who should consider this knob
Homeowners performing DIY spa upgrades, maintenance technicians servicing bath pumps, and pool-and-spa installers who demand dependable electronic control components will find this E-switch knob to be a straightforward, long-lasting solution. Its polished chrome finish and reliable 1/4-turn action help create a clean, professional look while ensuring dependable pump operation.
Product tag notes: ideal for Bath Parts and Bath Pumps and Parts applications, aligns with electronic controls and electronic buttons in spa systems, and fits into Vico’s trusted lineup of components used with Pentair-compatible setups.
Electronic on/off switch e-switch- E-switch used almost exclusively by Aquaglass
- 5311257 Electronic switch to 1/4 turn to turn the pump on/off
- Various colors for knob
- V64-13-001 Relay that mounts in the housing of the pump (wiring diagram)

