Carrier 328270-409 Tube 318172-701 Designed to meet ANSI Class

Designed to meet ANSI Class 250 pressure standards

This SPDT pneumatic relay is designed to either divert a single pilot signal to one of two branch circuits or select between two separate inputs to transmit to a downstream control device

What is the reset procedure after an ignition lockout

2 Cv rating ensures consistent fuel delivery for optimized burner performance

Carrier 328270-409 Tube 318172-701 Designed to meet ANSI ClassThe Carrier 328270 409 Tube Pressure Switch is a critical Factory Authorized Part engineered for precise differential pressure monitoring in residential and commercial HVAC systems. This OEM pressure switch tube serves as a direct replacement component, ensuring the induction motor and pressure switch assembly communicate accurate airflow data to the control board. Designed strictly to Carrier HVAC specifications, the 328270 409 maintains the vacuum