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As a DIN connection solenoid coil
confirming the system is correctly leveled and isolated
This typically indicates the bimetal switch inside the LH680003 has failed to toggle to the "hot" contact
This component is technically specified for commercial tank-type water heaters like the BTR series
Optimized Airflow: The 1050 RPM rating ensures the blower wheel moves the correct volume of air for heating and cooling cycles
Resideo S688A1007 Sail Switch 321894-706 As a DIN connection solenoidThe Resideo S688A1007 Sail Switch is a critical interlocking control designed to prove airflow before activating ancillary HVAC components like electronic air cleaners or humidifiers. Featuring SPDT switching, this duct mounted airflow switch operates within a velocity range of 75 to 250 Fpm, ensuring reliable equipment activation only when the system blower is moving sufficient CFM. The unit utilizes a large 26. 2 square inch sail (5" wide) with a