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This SPST Normally Closed switch is engineered to break the electrical circuit when the internal plenum temperature reaches the 200 degrees F fixed open temperature
making it suitable for boiler feed systems
these gas pressure switches should be mounted horizontally with the 1/4" NPT inlet stem facing down
Attempting to adjust the set point can lead to unsafe operation
While light cleaning with a non-abrasive pad may provide a temporary fix
Johnson Controls T-4054-2 Thermostat R-410A This SPST Normally Closed switchThe Johnson Controls T 4054 2 is a high volume output pneumatic thermostat designed specifically for energy management in commercial HVAC systems. This reverse acting thermostat provides precision control over heating and cooling cycles with a robust 400 SCIM flow capacity, making it ideal for systems requiring rapid response times and high capacity air delivery. Operating on a 13 to 25 Psig supply pressure, the unit features dual dials for
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