making it compatible with major OEM brands like Follett

For high-ambient or extreme temperature applications

This robust control is essential for preventing hazardous operation during flue obstructions or mechanical inducer failure

ensuring reliable HVACR equipment performance

It features 36-inch leads with a specialized 2-pin ceramic block connector

Johnson Controls T-4002-201 Thermostat 30067439-890 making it compatible with majorThe Johnson Controls T 4002 201 is a high performance pneumatic thermostat engineered for individual space temperature control in commercial HVAC systems. This direct acting, single temperature controller features a horizontal mount configuration and a standard 55 85F dial range for precise setpoint management. Designed to modulate pneumatic valves and damper actuators, the T 4002 201 provides a proportional output air signal, ensuring efficient