Aprilaire 4277 Distribution Tray 321894-706 This 4-terminal adjustable time delay

This 4-terminal adjustable time delay relay features a broad timing range of 0

Common Questions: What are the cut-in and cut-out settings for the Ranco A30-183

protecting the main water supply from cross-contamination

breaker size (MOP)

Aprilaire 4277 Distribution Tray 321894-706 This 4-terminal adjustable time delayThe Aprilaire 4277 Distribution Tray is a vital OEM replacement part engineered specifically for the Aprilaire 560, 560A, and 568 series whole home humidifiers. This high quality humidifier water tray sits atop the scale control insert and plays a critical role in system efficiency by ensuring that water is evenly dispersed across the Aprilaire 35 water panel. Constructed from durable, corrosion resistant materials, the Aprilaire 4277 features a