Lochinvar & A.O. Smith 100110413 Large Blower/Shutter

The Lochinvar & A.O. Smith 100110413 Large Blower/Shutter is an essential part of proper airflow control for heating and cooling systems. This unit helps to ventilate optimally allowing fresh air to get in while at the same time balancing pressure in the system. Compatible with almost all heating/cooling appliances, improves the efficiency of boilers and water heaters by maintaining the best temperature. This makes the blower stronger and longer-lasting, more energy efficient, and less noisy, which makes the indoor climate more comfortable.