Johnson Controls T-4002-3004 Guard Els PW 17895 Constructed with a 1/2-inch bore

Constructed with a 1/2-inch bore and CCW (Counter-Clockwise) rotation

What causes these wiring harnesses to fail

including 2 HP motors and large resistive heating elements

WC ratings ensure the switch closes and remains closed only when proper negative pressure is established

Precise Airflow: The 26-degree pitch is calibrated for maximum heat transfer without overloading the fan motor

Johnson Controls T-4002-3004 Guard Els PW 17895 Constructed with a 1/2-inch boreThe Johnson Controls T 4002 3004 Guard is a professional grade, heavy duty solution designed to provide superior surface mounted thermostat protection for the T 4000 Series equipment. Engineered specifically for pneumatic thermostat systems, this assembly features a rugged cast aluminum thermostat guard that prevents tampering and mechanical damage in high traffic commercial or industrial environments. The unit includes a dedicated mounting bracket,