Generalaire M3 Select Control Humidistat HVAC controls When the indoor air quality

When the indoor air quality is at its best

While opening a window is a great way to bring in fresh air

Replaces old part number 500-0337

: VNT6150 H1000-Simple Ventilation for Colder Climates

Wall cover - (1) White (1) Black

Generalaire M3 Select Control Humidistat HVAC controls When the indoor air qualityGeneral Aire M3 Select Control Humidistat Part# M3, General Aire Select Control Humidistat The GeneralAire M3 is a select control manual humidistat. It is designed to be mounted on a wall or duct. Proper humidification can lead to better air quality in the home. Dry air can lead to nose bleeds and structural damage to floors and walls. With over humidification, there may be structural damage, increased condensation, and mold accumulation in your home.