extending the lifespan of your belts and associated equipment

Common Questions: Where should this valve be installed in the system

this harness interfaces directly with the vent damper plug on Honeywell and United Technologies (UTC) integrated boiler control modules

It is most commonly found in commercial reach-in refrigerators

ensuring performance in demanding condenser environments

Tjernlund Products EF-6 Duct Fan 30067439-890 extending the lifespan of yourThe Tjernlund Products EF 6 Duct Fan is an essential solution for correcting airflow imbalances in residential and light commercial HVAC systems. Designed as a professional grade 6 inch duct booster fan, this unit effectively tackles the common issue of restricted air delivery in long branch runs or rooms located far from the air handler. Constructed with a galvanized steel housing for maximum durability, the EF 6 is engineered to integrate seamlessly