Heating Maxitrol Maxitrol Selectra Gas Controls | 3/8″ Modulator Valve

Direct Fired Units Do Not Have A Heat Exchanger Andall Products Of Combustion Generated By The Gas Burningdevice Are Released Directly Into The Airstream Being Heated.

They Are Commonly Used In Space Heating Or Make Up Airapplications, Process Drying And Baking Ovens.