If the system is cool and there is no continuity

streamlining the user interface for applications where airflow is managed at the system level

including a 60-second post-purge for heat exchanger cooling

It is standard field practice to replace all gaskets whenever the compressor head is removed for valve plate inspection or internal cleaning to ensure the integrity of the high-pressure seal is not compromised

Johnson Controls A19AAC-59 Utility Thermostat Els PW 29614 If the system is coolJohnson Controls A19AAC 59 Utility Thermostat, 120 208 240 Vac, 65 300 Degree Temperature Range, 6' Capillary, Open on Rise, Bulb Style 1, Screw Driver Range Adjuster A19AAC 59 is the direct replacement for A19AAC 61 (SLIGHTLY SHORTER BULB)