Parts Department

As Emissions Regulations become more stringent, proper up-keep and maintenance of your Continuous Emission Monitoring (CEM) and Continuous Opacity Monitoring (COM) systems is critical to remain in compliance with the Government’s frequently changing requirements.

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CEMSI can assist in meeting all of your parts needs at competitive prices. We can supply you with complete system upgrades, spare parts and consumables.


We understand searching for parts can be both challenging and time consuming. Don’t see what you’re looking for? Feel free to contact us and we will be glad to assist you. We also maintain an inventory of many parts that have become difficult to find or may no longer be in production.


Keep in mind: A properly stocked store room is essential in avoiding fines and preventing production loss. Not sure what you should keep on hand? Let us know and we can review your system and create a customized list divided into consumables, basic spare parts and critical spare parts, with a recommended amount of each.

Contact the Experts.

From customized systems to expert support, we’re ready to help.