Johnson Controls T-4002-3004 Guard Els PW 17895 The red coating indicates the

The red coating indicates the 10-22" WC range

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

ensuring safety in high-traffic commercial kitchens

What causes these wiring harnesses to fail

Johnson Controls T-4002-3004 Guard Els PW 17895 The red coating indicates theThe 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,