Engineered for 1/4-inch and 3/8-inch NPT body configurations

as well as various damper motor crank arms requiring a 5/16" pushrod interface

Dual-terminal configuration simplifies wiring during field replacements or upgrades

Non-porous surface reduces the risk of algae and mold buildup

Key Benefits Industrial-Grade Airflow: The 24-degree pitch and 30-inch span are optimized for heavy-duty ventilation and maximum CFM output

Aprilaire 500M Humidifier THPU32HP7Y Engineered for 1/4-inch and 3/8-inchThe Aprilaire 500M Humidifier is a high performance 12gpd bypass humidifier designed to maintain optimal indoor air quality in homes up to 3,000 square feet. This compact furnace humidifier integrates directly with your existing HVAC system, utilizing a manual humidistat for precise control over your environment's moisture levels. By alleviating dry air symptoms, the Aprilaire 500 protects your wood flooring, cabinetry, and electronics from damage