When replacing a Reznor unit heater orifice

The 10K Ohm sensitivity is calibrated for standard conductivity levels

or if you receive a specific "limit switch open" error code on the control board

Tighten the gauge glass nuts by hand until snug

which produces a 180-degree flame pattern

Heil Quaker ICP 1172823 Inducer Assembly Freon When replacing a Reznor unitThe Heil Quaker ICP 1172823 Inducer Assembly is a high performance vent blower motor specifically engineered for 90+ AFUE single stage condensing furnaces. As the direct OEM replacement for 330701 701, this assembly ensures systemic compatibility with a wide range of International Comfort Products (ICP) equipment, including Heil, Tempstar, and Comfortmaker brands. This furnace draft inducer is built with a thermally protected 1 20 HP motor, operating