The FURNAS 69HA1 Pressure Switch is a replacement part designed for 145–175 psi operation, configured as a single-port device. It serves as a direct substitute for the 69HA1 when a 145–175 psi sensing range is required, helping restore pressure-triggered control in compatible systems. Identified by part number 69HA1, it delivers the specified 145–175 psi range in a single-port configuration for use in relevant control circuits.
