This 184-113 restrictor tee is specifically required for one-pipe systems where the controller must bleed air to modulate pressure

Does this kit include the necessary gaskets or seals

Reliable Safety Interface: The integrated thermocouple ensures precise flame sensing to prevent unburned gas from entering the combustion chamber

ensuring a perfect fit without the need for field modifications

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

McDonnell & Miller 343200 Bellows Assembly 30067439-890 This 184-113 restrictor tee isThe 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