Shop for automatic make up air damper pressure

Designed to provide the best technology to equalize pressure between indoors and outdoors, while providing effective ventilation for a cleaner, healthier home. Eliminate gases, smoke or particulates generated from naturally vented combustion devices like a fireplace or water heater. Such a complete and simple solution for automatic and controlled fresh air into the home every time you turn on the range hood. This is an interlocked, synchronized system that installs easily and requires only low voltage wiring to the sensor. Perfect for new construction or retrofit into an existing home. Color: Grey.

The Lambro 4-in. Aluminum Exhaust Hood Vent with 11-in. Pipe is for venting through the wall. The damper seals the vent opening when the clothes dryer or bath fan is not running because no exhaust air exits the vent. When the appliance operates, the exhaust air pressure pushes the damper open to let the exhaust air escape from the vent. The exhaust vent is for new and replacement installations over an existing 4-in. opening. It features an opening with a net-free area of 20.5 sq. in., allowing for less back pressure. The vent’s manufacturing material is 26-gauge aluminum for durability and will not rust to maintain longevity. Make sure to check local building codes before installation.

The Lambro 4 in. 26-Gauge Galvanized Steel Wall Exhaust Hood Dryer Vent with Damper and 11 in. Pipe is ideal for venting through the wall. The damper seals the vent opening when the clothes dryer or bath fan is not running because no exhaust air exits the vent. When the appliance operates, the exhaust air pressure pushes the damper open to let the exhaust air escape from the vent. The exhaust vent is for new and replacement installations over an existing 4 in. opening. It features an opening with a net-free area of 20.5 sq. in. allowing for less back pressure. The vent's manufacturing material is 26-gauge galvanized steel for durability and longevity. Make sure to check local building codes before installation.

The Lambro 4 in., 26-Gauge Paint-Grade Galvanized Wall Exhaust Hood Vent with Damper and 11 in. Pipe is ideal for venting through the wall. It features an opening and closing damper that prevents outside elements and air from entering the vent. The damper seals the vent opening when the clothes dryer or bath fan are not running. When the appliance operates, the exhaust air pressure pushes the damper open to let the exhaust air escape from the vent. The vent is for new and replacement installations over an existing 4 in. opening. Constructed from 26-gauge paint-grade steel, this vent is built for durability and long-lasting performance. Make sure to check local building codes before installation.

The Lambro 6 in. Paint-Grade Galvanized Wall Exhaust Hood Vent with Spring Damper and 11 in. Pipe is ideal for venting through the wall. It features a spring-controlled opening and closing damper that prevents outside elements and air from entering the vent. The damper seals the vent opening when the bath fan, range hood, or microwave are not running. When the appliance operates, the exhaust air pressure pushes the damper open to let the exhaust air escape from the vent. The vent is for new and replacement installations over an existing 6 in. opening. Constructed from 26-gauge paint-grade steel, this vent is built for durability and long-lasting performance. Make sure to check local building codes before installation. This is not for use with clothes dryers.

The Lambro 6-In. 26-Gauge Paint-Grade Galvanized Wall Exhaust Hood Vent with Damper and 11-In. Pipe is ideal for venting through the wall. It features a spring-controlled opening and closing damper that prevents outside elements and air from entering the vent. The damper seals the vent opening when the bath fan, range hood, or microwave are not running. When the appliance operates, the exhaust air pressure pushes the damper open to let the exhaust air escape from the vent. The vent is for new and replacement installations over an existing 6-in. opening. It features an opening containing the 1/4-in. wire mesh screen with a net-free area of 15 sq. in., allowing for less back pressure. When the screen is removed, the net-free area of the unrestricted opening is now 40 sq. in. Constructed from 26-gauge paint-grade steel, this vent is built for durability and long-lasting performance. Make sure to check local building codes before installation. This is not for use with clothes dryers.

The Lambro 8 in. 26-Gauge Paint-Grade Galvanized Wall Exhaust Hood Vent with Damper and 11 in. Pipe is ideal for venting through the wall. It features a spring-controlled opening and closing damper that prevents outside elements and air from entering the vent. The damper seals the vent opening when the bath fan, range hood, or microwave are not running. When the appliance operates, the exhaust air pressure pushes the damper open to let the exhaust air escape from the vent. The vent is for new and replacement installations over an existing 8-in. opening. It features an opening containing the 1/4 in. wire mesh screen with a net-free area of 28 sq. in., allowing for less back pressure. When the screen is removed, the net-free area of the unrestricted opening is now 40 sq. in. Constructed from 26-gauge paint-grade steel, this vent is built for durability and long-lasting performance. Make sure to check local building codes before installation. This is not for use with clothes dryers.

8-inch round, universal make-up air damper kit for use with any Zephyr range hood motor operating over 300 CFM and up to 1,000 CFM. When range hoods exhaust air out of your home, negative air pressure is created unless the exhausted air is replaced by fresh outdoor air. Zephyr's make-up air damper is designed to balance the air pressure in your home by automatically opening to allow fresh air in while the range hood is operating. Please check your Zephyr range hood's specification sheet to ensure compatibility. Color: Stainless Steel.

10-inch round, universal make-up air damper kit for use with any Zephyr range hood motor operating over 300 CFM and up to 1,200 CFM. When range hoods exhaust air out of your home, negative air pressure is created unless the exhausted air is replaced by fresh outdoor air. Zephyr's make-up air damper is designed to balance the air pressure in your home by automatically opening to allow fresh air in while the range hood is operating. Color: Stainless Steel.

6-inch round, universal make-up air damper kit for use with any Zephyr range hood motor operating over 300 CFM and up to 600 CFM. When range hoods exhaust air out of your home, negative air pressure is created unless the exhausted air is replaced by fresh outdoor air. Zephyr's make-up air damper is designed to balance the air pressure in your home by automatically opening to allow fresh air in while the range hood is operating. Color: Stainless Steel.