Johnson Controls A-4000-144 Relief Valve Els PW 17895 A shift to yellow indicates

A shift to yellow indicates that the moisture concentration has exceeded acceptable levels for the specific refrigerant type

meaning both part numbers serve as direct replacements without modification

This is an automatic reset limit control

including various configurations of YK and YT series compressors where specific 0-ring and gasket profiles are required for internal oil systems and housing seals

The Johnson Controls TE-6361V-2 is factory-calibrated to match the standard Type II resistance curve

Johnson Controls A-4000-144 Relief Valve Els PW 17895 A shift to yellow indicatesThe Johnson Controls A 4000 144 is a professional grade safety relief valve designed specifically for pneumatic control systems and air compressor accessories. Featuring a 1 4" NPT male connection, this pop type valve is factory set to activate at 25 PSIG, providing a critical mechanical failsafe against overpressurization in the supply line. The robust brass body construction ensures durability and corrosion resistance, essential for maintaining the