301-C is the cross for VA301C

such as the Delta Reed series

this automatic reseating relief valve meets ASME and CSA standards

Does this kit include the necessary sensing bulb and mounting hardware

Aprilaire 4246 Tray R-410A 301-C is the cross forThe Aprilaire 4246 Tray is a critical OEM replacement part designed for peak humidifier performance. Specifically engineered for use in humidifier models 560, 560A, and 568, this water distribution tray ensures that water is evenly dispersed across the evaporative panel. By facilitating a uniform flow, it prevents dry spots and maximizes the output of your HVAC humidification system. Over time, mineral buildup can clog the distribution channels,