The Lennox Y3012 Manual Humidifier Control (Healthy Climate 102693-01, Aprilaire 4912) is a durable, easy-to-use humidity control solution designed for Lennox HCWB, HCWP, and WB2 humidifiers. This manual control allows homeowners to precisely adjust indoor humidity levels throughout the heating season, reducing dry-air discomfort and improving system performance.

Engineered for reliability, it features a straightforward dial interface, long-lasting sensor design, and compatibility with a wide range of Lennox whole-home humidifiers. Whether you are replacing an older control or installing a new system, this unit maintains consistent humidity and helps protect wood furniture, flooring, and other moisture-sensitive items.

Key Features:

• Compatible with Lennox HCWB, HCWP & WB2 series humidifiers
• Cross-reference: Healthy Climate 102693-01 / Aprilaire 4912
• Manual dial control for simple, accurate humidity adjustments
• Helps reduce dry skin, static electricity & respiratory discomfort
• Improves indoor comfort during low-humidity winter months
• Reliable and easy to install replacement part
• Designed for long-term system performance and stable humidity regulation

Specifications:

• Model Numbers: Y3012 / 102693-01 / Aprilaire 4912
• Control Type: Manual humidistat
• Application: Whole-home humidifiers (HCWB, HCWP, WB2)
• Mounting: Wall or return-air duct (depending on configuration)
• Electrical: Low-voltage control