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measure the actual vacuum pressure from the port
3 Million BTU/hr Rating: Provides high-volume pressure relief capacity suitable for large-capacity hydronic systems
The Slant Fin 412-707-040 is a heavy-duty 7" automatic vent damper engineered for precision airflow management in hydronic heating systems
The ASCO 8215G30-12VDC is a high-flow
Carrier HH18HA276 Limit Switch 326058-755 measure the actual vacuum pressureThe Carrier HH18HA276 Limit Switch is a critical safety component designed for high temperature monitoring within HVAC furnace and air handler assemblies. This automatic reset limit switch features a cut out temperature range of 225F to 275F, ensuring the system shuts down if heat exchanger temperatures exceed safe operating limits. As a genuine OEM Carrier replacement part, this switch provides the exact electrical specifications and mounting