Heil Quaker ICP 1175308 Switch 321042-401 or intermittent error codes in

or intermittent error codes in high-efficiency 90% plus furnace units

The most common culprits are high static pressure from dirty filters or undersized ducting

Always verify the damper manufacturer’s torque requirements before installation to ensure proper seal and operation

reducing nuisance outages and simplifying the water heater valve installation process for contractors in the field

Utilizing this motor on a 115V circuit will lead to immediate failure

Heil Quaker ICP 1175308 Switch 321042-401 or intermittent error codes inThe Heil Quaker ICP 1175308 Low Pressure Switch is a critical safety component designed for heavy duty HVACR applications where precise refrigerant monitoring is non negotiable. This genuine OEM part, often identified by the tech spec code LO# SWT,O07 C22, is engineered to protect the compressor from low pressure conditions that lead to overheating and mechanical failure. With a calibrated open setting of 07 PSI and a close setting of 22 PSI, this