Retrofit Compatibility: Specifically designed to replace legacy Siemens HD2XMSTA1 sensors without additional mounting hardware

Its robust design minimizes pressure drop across the valve

OEM Compatibility: Precision-engineered for a direct fit in specific Williams wall furnace models

Common Questions Is the gasket included with the 998-0510-24 valve kit

directly impacting stable cooling

Aprilaire 4315 Ionizer Wire Assembly 321894-706 Retrofit Compatibility: Specifically designed toThe Aprilaire 4315 Ionizer Wire Assembly is a critical internal component designed specifically for high efficiency air cleaners, ensuring your residential air filtration system maintains peak performance. This genuine OEM replacement part is engineered to create the essential high voltage corona discharge necessary for capturing microscopic airborne particles. By integrating the Aprilaire 4315 into your ???????? (electronic air cleaner), you ensure