the two terminals are not polarity-sensitive and can be wired in either direction within the limit circuit

it includes a heavy-duty

This HVAC sequencer relay utilizes a thermally actuated bimetal disc to ensure staggered activation

Reliable Data Retention: Integrated permanent memory ensures all programmed settings remain intact during unexpected voltage drops or power cycles

ensuring that the pneumatic thermostat bimetal element receives proper ambient airflow for accurate temperature control

Johnson Controls F92B-1 Control 30067439-890 the two terminals are notJohnson Controls F92B 1 Air Volume Control, Shallow Well Applications, 1 4" Gage Tap, Charges Air, Plastic Float with Brass Rod, 80 Psig Maximum Tank Pressure, 1 1 4" MPT Tank Connector