Common Questions: How do I adjust the pitch diameter

which can lead to pitted contacts if not addressed

this replacement HB coil is rated for dual-frequency operation (50/60 Hz) at 110-120 VAC

In-Line Serviceability: Designed for convenience

Adjustable Thermal Precision: Field-adjustable setpoints from 100°F to 240°F to meet specific load profiles

Aprilaire 413 Filter 326058-755 Common Questions: How do IElevate your indoor air quality with the Aprilaire 413 Filter, a high performance MERV 13 replacement air filter engineered for superior contaminant removal. Designed specifically for Aprilaire whole house air purifier models including the 1410, 1610, 2410, and 4400, this genuine OEM media filter features a deep pleat design that maximizes surface area while maintaining a low pressure drop of 2000 cfm. Leveraging patented Self Seal technology, the