Johnson Controls A19BBC-2 Temperature Control 30067439-890 Ensure all old gasket material

Ensure all old gasket material is removed from the head chamber and bellows base to prevent uneven compression and potential leaks

It is recommended to use the O-ring provided with your OMB/OMC control unit to ensure a vacuum-tight seal during assembly

The modular design allows for field-serviceable components

This specific model is designed for hot water heaters and storage tanks with an input rating up to 100

while the option for a visible or hidden setpoint range allows technicians to tailor the interface to specific facility requirements

Johnson Controls A19BBC-2 Temperature Control 30067439-890 Ensure all old gasket materialThe Johnson Controls A19BBC 2 is a heavy duty single stage mechanical thermostat engineered for precise temperature regulation in demanding HVACR environments. This SPDT (Single Pole, Double Throw) control features a wide setpoint range of 30? F to 100? F, making it a versatile solution for both heating and cooling applications, including refrigeration line monitoring and space temperature control. As a direct replacement for A19BBA 1 and A19BAA 1, it