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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
using this OEM Armstrong pressure switch ensures the trip point matches the original furnace design specifications exactly
its high-surface-area pleated design is specifically optimized for capturing the solids frequently found in the suction line of refrigeration systems
using the 20G5201 blower relay ensures that the system maintains its original performance specifications and electrical safety certifications without the risks associated with universal "will-fit" alternatives
Built with a SPDT (Single Pole Double Throw) configuration
Using a fixed restrictor is essential for maintaining consistent calibration across the entire pneumatic loop
Lennox 58C97 Relay Els PW 17895 using this OEM Armstrong pressureThe Lennox 58C97 Relay is a high performance SPST Heat Sequencer Relay designed specifically for managing timed electrical sequences in residential and commercial HVAC systems. Operating on a 24V AC coil, this thermal delay relay provides critical staging for heating elements, blowers, and auxiliary components to prevent high current surges and ensure equipment protection. With a precise ON delay of 1 to 60 seconds and an OFF delay of 1 to 45 seconds,