Universal Compatibility: Specifically designed to house 3-1/2" x 3/8" bulbs

For veteran HVAC contractors managing legacy pneumatic control systems

the EPR seal and stainless steel internals are specifically rated for high-temperature service

Engineered for high volume output thermostats

and select ZP120K to ZPT240 residential and commercial compressors

Johnson Controls T-4002-3004 Guard Els PW 17895 Universal Compatibility: Specifically designed toThe 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,