Johnson Controls A19ZBA-1 Temperature Control R-410A What is the primary application

What is the primary application for the 301EM break glass switch

Lockout on the Fenwal 35-705506-115 can be reset by cycling the thermostat or the 120V power supply off for a minimum of 5 seconds

or references PRS30023

ensuring the flue collector box maintains proper negative pressure before allowing the ignition sequence to proceed

the WFD60N includes two sets of SPDT (Form C) synchronized switches rated at 10 Amps

Johnson Controls A19ZBA-1 Temperature Control R-410A What is the primary applicationThe Johnson Controls A19ZBA 1 Temperature Control is a heavy duty mechanical switch purpose built for water chiller temperature control and refrigeration applications. Designed for reliability in demanding commercial environments, this remote bulb temperature control utilizes a liquid filled sensing element to provide high accuracy "repeat" performance that remains unaffected by barometric pressure or cross ambient temperature fluctuations. This SPST