Generalaire M3 Select Control Humidistat HVAC controls Fireback Retainer

Fireback Retainer

HRVs will control excess humidity in cooler seasons by introducing outdoor air into your home

When the indoor air quality is at its best

Hearth & Home

Generalaire M3 Select Control Humidistat HVAC controls Fireback RetainerGeneral 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.