This week, we focus on these HVACR products: an adiabatic condenser series that includes models up to 215 nominal tons; refrigeration leak sealant products with nanoparticle sealing technology; a vertical-mount horizontal airflow backdraft damper; a universal one-piece collar that masks the unsightly appearance of cassettes; a direct evaporative cooling unit; a combi residential boiler; and a single-zone universal outdoor unit.