When utilized as an outdoor sensor

making it an ideal solution for retrofitting older 4-wire systems where pulling a new 18/5 thermostat wire is not feasible

Operating at 120V with a fixed speed of 3400RPM

Common Questions What is the difference between blade terminals and pin terminals for this series

Is the SM185-3RI compatible with R417A or R422D

Lennox 75W05 Lead Electrode 321894-706 When utilized as an outdoorThe Lennox 75W05 Lead Electrode is a critical ignition component specifically engineered for industrial and residential combustion systems. This 28 inch flame sensor and ignition lead assembly ensures precise signal feedback to the integrated furnace control (IFC) or ignition module. Designed for durability in high cycle environments, it provides the necessary microamp rectification required to maintain flame proofing and prevent nuisance lockouts. As