Lochinvar & A.O. Smith 100208633 Kit 319847-401 Technicians typically observe clicking or

Technicians typically observe clicking or grinding noises from the damper box

Functioning as a 2 to 5 wire adapter

This dual-circuit capability is critical for synchronized activation of ignition precursors

it is not compatible with standard 230V single-phase residential power

High-torque 3/4 HP output provides the necessary static pressure for large-tonnage residential air handlers

Lochinvar & A.O. Smith 100208633 Kit 319847-401 Technicians typically observe clicking orMaintain consistent ignition performance in high efficiency heating systems with the Lochinvar & A. O. Smith 100208633 Electrode Spark Harness Kit. As a critical component for boiler ignition systems, this OEM 100208633 harness ensures a reliable millivolt signal transfer from the control board to the spark electrode. It is engineered to withstand the thermal stresses common in Lochinvar FBL and FBN series boilers, including models FBL0751 through