HG3895 | A/B Insert for HG3890 Push Button

A/B Insert for HG3890 Push Button

The A/B insert is a precision-engineered replacement component designed to fit the HG3890 Herga push-button control system. It restores full functionality to your spa’s air switch, ensuring reliable operation between settings.

Key Features

• Direct OEM Fit
  Precisely replaces original insert for HG3890 Herga air switch, guaranteeing seamless compatibility and long-term reliability

• Durable Construction
  Crafted from robust, spa-grade plastic materials to withstand repetitive use and exposure to typical spa environments .

• Simple to Install
  Easily snaps into the HG3890 push button mechanism—no tools required. Ideal for quick field repairs or maintenance work.

• Cost-Effective Maintenance
  Allows repair of the push-button assembly without replacing the entire air switch unit—saves time and money.

• Widely Available
  Sold by trusted spa-parts suppliers, it’s a reliable spare part for spa technicians and DIY enthusiasts

Technical Details

Why Use This Insert?

• Restores full A/B switch functionality without full unit replacement

• Extends service life of HG3890 push-button assemblies

• User-friendly installation—no specialist tools or expertise needed

• Smart spare part for maintenance kits or part inventories