Common Questions Which pipe sizes can I use the KIT21A-602 with

Is this sensor compatible with my existing building automation system

using this genuine Carrier furnace part ensures a perfect fit with the existing collector box gaskets

including the necessary #57 drill size burner orifices and a heavy-duty regulator spring

Does this kit include the necessary gaskets or seals

McDonnell & Miller 343200 Bellows Assembly 30067439-890 Common Questions Which pipe sizesThe McDonnell & Miller 343200 Bellows Assembly (Model SA63 5) is the critical mechanical linkage used in Series 63 low water cut offs. As a veteran grade replacement component, this assembly mediates the movement between the internal float and the electrical switch, ensuring the heavy duty performance required for commercial and industrial steam boiler safety. This genuine OEM replacement part includes the bellows, the CO 106 cam assembly, and the CO