Soler & Palau CVC-100 TD Continuous Ventilation Control - ASHREA 62.2 Compliant Sand Ps CVC allow a new or existing bath fan to run continuously on a low speed The CVCs are designed to meet the requirements of ASHRAE 62.2 and the International Residential Code Continuous ventilation control to be used with TD-100 SandPs CVC allow a new or existing bath fan to run continuously on a low speed The CVCs are designed to meet the requirements of ASHRAE 62.2 and the International Residential Code Continuous ventilation control to be used with TD-100