it is the direct replacement for 180210-668 models

reducing the risk of installation errors and ensuring seamless HVAC ignition control replacement

utilizing a robust internal diaphragm and solenoid configuration to handle supply pressure fluctuations

Performance Restoration: Ensures the combustion blower maintains the correct CFM for safe venting and optimal AFUE performance

Resideo RC840T-277 Electromechanical Relay 318423-701 it is the direct replacementThe Resideo RC840T 277 is a heavy duty electromechanical relay engineered for controlling high voltage loads in demanding HVACR applications. This switching solution features an integrated 24V transformer, making it ideal for interfacing 277 VAC line voltage equipment with low voltage controls. This relay provides reliable on off switching for resistive and inductive loads, specifically optimized for electric heating systems and baseboard units. It is