ESW Technologies ThermaCat™e

This page last reviewed November 3, 2015.

PLEASE NOTE: Verifications are issued chronologically.  The most recently issued Executive Order or individual attachment is the one which is currently in effect and is listed below each manufacturer’s verification.  The most recent Executive Order supersedes any previous Executive Orders for the same product.   Should you wish to view any previous Executive Orders or attachments for reference purposes related to a manufacturer’s verification, please click on the associated link below each description.

The Air Resources Board has verified ESW Technologies, ThermaCat™e diesel retrofit system for certain 1994 through 2009 model year heavy-duty diesel, exhaust gas recirculation equipped engines used in on-road vehicles.  The ThermaCat™e system reduces emissions of diesel particulate matter by at least 85 percent and is designated as a Level 3 plus system.  The primary components of the actively regenerated ThermaCat™e system include a silicon carbide wall-flow filter, a diesel oxidation catalyst and a system controller.  The ThermaCat™e s ystem is compatible with on-road vehicles using diesel fuel that contains up to 20 percent biodiesel.  Specific conditions for which the ThermaCat™e system has been approved may be found in the Executive Order below.

October 30, 2015

July 16, 2012 (CA)

May 30, 2014
January 8, 2014
July 16, 2012 May 28, 2013 (Fed) September 14, 2010