The LED pulses indicate specific system faults

while the 5 MFD side is utilized for the condenser fan motor (FAN terminal)

it is intended as a direct drop-in replacement head for existing Series 93 installations where the mercury switch or snap-action switch is already sourced or needs separate specification

Utilizing Apcom-style thermostat architecture

SPDT Circular Logic: The Single Pole Double Throw configuration allows for versatile wiring options

Spirax-Sarco 55226 Main Valve Freon The LED pulses indicate specificThe Spirax Sarco 55226 is a rugged 1 1 2" NPT main valve engineered for precision high capacity steam regulation. As the foundational component of the 25 series pilot operated regulator system, this cast iron valve body is rated for up to 250 psi and 450F, making it a standard for heating and process steam applications. Its normally closed design ensures a positive ANSI FCI 70 2 Class IV shut off, preventing steam leakage during dead end service. This