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Smith 100208383 Pressure Switch is a critical safety component designed for high-efficiency water heaters and boiler systems
Superior Material Durability: Constructed with a high-strength bronze body and a silicone seat for positive shut-off and heat resistance
Replacing worn-out 96451 vibration mounts is critical for preventing stress fractures in heat exchangers and lead-in gas piping caused by persistent oscillation
they are functionally identical
Siemens Building Technology 331-4313 Actuator Refrigerant Smith 100208383 Pressure Switch isThe Siemens 331 4313 No. 3 Pneumatic Actuator is a heavy duty, bellows operated rugged metal actuator designed for proportional control of medium to large dampers and terminal units. Operating within a 3 to 7 psi spring range, this unit provides a consistent 2 3 8 inch stroke for precise mechanical positioning. Engineered with a fixed mounting configuration and a neoprene diaphragm, it maintains high torque performance in demanding HVAC environments.