Johnson Controls T-3610-1002 Thermostat Freon What is the purpose of

What is the purpose of the 667 PSI MOP rating on this valve

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05 inch round or square damper shafts

This 2-pole limit switch operates with an automatic reset mechanism

Johnson Controls T-3610-1002 Thermostat Freon What is the purpose ofThe Johnson Controls T 3610 1002 is a field proven pneumatic low limit thermostat designed specifically for unit ventilator freeze protection and discharge air temperature control. This proportional direct acting controller utilizes an 18 inch rigid stem element to sense rapid temperature shifts, ensuring the steam or hot water valve opens before the coil reaches freezing conditions. With an element operating range spanning 0 to 270 degrees Fahrenheit