The 1145-33 is a direct immersion unit with a 1/2" pipe thread

protecting sensitive electronic controls from moisture damage

When diagnosing a noisy HVAC blower motor

ensuring it does not touch the duct walls or heating/cooling coils directly

critical for preventing localized hot spots in the assembly

Heil Quaker ICP 1171448 Flame Sensor 318820-201 The 1145-33 is a directThe Heil Quaker ICP 1171448 Flame Sensor is a critical OEM replacement component designed for International Comfort Products (ICP) gas fired furnaces and heating units. As a veteran technician knows, the flame rod is the heart of the flame rectification circuit; it utilizes the ionized gas in the burner flame to conduct a microamp (? A) signal back to the integrated furnace control (IFC). When this sensor fails? often due to carbon buildup, oxidation,