Make Up Air / Make Up Air Heaters Kitchen Ventilation Ductwork Exhaust Fans Make Up Air Rooftop Supply Fans Inline Supply Fans Gravity Vents Make Up Air Heaters Parts & Accessories Direct Gas-Fired Heater, ETL Listed, for use in Tempering Make-up air. 2000 CFM. Includes a Filtered Intake Hood, Discharge Temperature Controls, and a Safety Disconnect Switch (MH-A1-D.500-15D) $6,049.99 Add To Cart (Ships in 4-5 Days) Direct Gas-Fired Heater, ETL Listed, for use in Tempering Make-up air. 3500 CFM. Includes a Filtered Intake Hood, Discharge Temperature Controls, and a Safety Disconnect Switch (MH-A2-D.500-20D) $7,495.99 Add To Cart (Ships in 4-5 Days) Direct Gas-Fired Heater, ETL Listed, for use in Tempering Make-up air. 5000 CFM. Includes a Filtered Intake Hood, Discharge Temperature Controls, and a Safety Disconnect Switch (MH-A3-D.750-24D) $9,099.99 Add To Cart (Ships in 4-5 Days) Direct Gas-Fired Heater, ETL Listed, for use in Tempering Make-up air. 7500 CFM. Includes a Filtered Intake Hood, Discharge Temperature Controls, and a Safety Disconnect Switch (MH-A4-D.100-30D) $14,739.99 Add To Cart (Ships in 4-5 Days)
