Aprilaire 4924 Cutout Switch 340155-7026 Compatibility depends on the specific

Compatibility depends on the specific BTU requirements and pressure regulator settings of your Reznor unit

Can I use an aftermarket universal switch instead of this OEM part

Robust Construction: Built to withstand the thermal stress and high-duty cycles of commercial air handlers

Environmental Protection: The NEMA 4X watertight enclosure protects electrical components from moisture and wash-down conditions

measure the actual draft at the inducer port

Aprilaire 4924 Cutout Switch 340155-7026 Compatibility depends on the specificThe Aprilaire 4924 Cutout Switch is a critical thermal safety component designed specifically for Aprilaire 1730A dehumidifiers and related high capacity models. This genuine L175 15F Cutout Switch acts as a precision engineered high temperature cutoff, monitoring internal system heat to prevent mechanical failure. When ambient or internal temperatures exceed safe operating limits, the switch automatically disconnects power to the electrical system,