The Aprilaire 4187 Drain Spud, also known as the drain connector or fitting, is an OEM replacement part designed for Aprilaire whole-house humidifiers—specifically Models 300, 350, and 360. It secures to the base of the humidifier housing and enables a proper connection for ½″ I.D. drain tubing.
Specifications:
- Compatible Models: 300, 350, 360, 4785, 5936
- Materials: ABS
- Actual Measurements: 1.085H x 1.375W x 1.375D (inches)
