A close-up of generator spare parts.

Spare Parts

R-series Chlorine Dioxide Generator Parts

ERCO Worldwide uniquely understands the operating conditions, failure modes, and wear indicators for your R-Series chlorine dioxide generator. We designed, specified, and supplied most of the process equipment in your ClO2 generation system, as the original equipment manufacturer (OEM). Put simply, our parts and expertise will help maintain your best in class operations.

A close up of generator spare parts.

Original Part Design

As your generator's original equipment manufacturer, we provide parts that consistently meet your exact specification.

A check mark on a warranty icon overlaid on an image of keyboard typing.

Maintain Your Warranty

OEM-approved spare parts from ERCO ensure your chlorine dioxide plant stays under warranty and adheres to OSHA's process safety management regulations.

A worker wearing personal protective equipment in an industrial building holds a laptop and looks in the distance.

Expert Led Support

ERCO field technicians can assist with part SKU selection and installation, equipment inspection, and repairs.

A transport truck speeds down an open road.

Urgent Fufillment

Reduce downtime with expedited shipping on all replacement parts.

Know what you need? Not sure where to start?

Complete this form and we’ll be in touch.

"*" indicates required fields

Inquiry Topic:*
This field is for validation purposes and should be left unchanged.

Premium Parts, Ready to Ship


Saltcake Filters

Highly specialized filter cloths, wear plates, and timing plates to reduce chemical loss.


Chemical Filters

High-quality, generator-specific filter cartridges and housing units.


Specialty-grade Titanium

Corrosion-resistant titanium joints, elbows, and more to increase generator lifespan.




OEM-approved pumps for specialty chlorine dioxide service.


Heat Exchangers

Entire vessels, small components, and everything in between.


Tower Components

Packing materials, support rings, and distribution trays for reliable absorption and stripping columns.


Gaskets and Seals

Stay ahead of wear and tear by stocking up on gaskets and seals.



Designed for perfect fit and long-lasting accuracy.

Bundle and save!

Message our team to create a custom bundle and save on your parts order.

Ask About Bundles