Schneider Electric (Barber Colman) FILN05 Air Filter The Johnson Controls T-4000-2142 is

The Johnson Controls T-4000-2142 is a professional-grade horizontal pneumatic thermostat cover designed specifically for the T-4000 series

Common Maintenance Questions: What are the signs that a 38-203-RK repair kit is needed

Material Durability: Constructed from high-grade rubber designed to withstand the chemical profiles found in compressor condensate and lubricants

the switch has likely failed and requires replacement

Versatile Application: Fully compatible with KMC CSE series switches and standard manometers for comprehensive airflow diagnostics

Schneider Electric (Barber Colman) FILN05 Air Filter The Johnson Controls T-4000-2142 isThe Schneider Electric (Barber Colman) FILN05 is a high performance inline pneumatic air filter engineered for point of use protection in complex building automation systems (BAS) and HVAC operations. As a professional grade K 335 replacement filter, this unit utilizes a high efficiency HEPA Microflex filter tube permanently bonded within a durable, transparent nylon housing. Designed for precision filtration, it protects downstream actuators and