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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
While technicians may briefly jumper the limit circuit to confirm a faulty switch
Key Benefits for Technicians: OEM Compatibility: Specifically engineered for seamless integration with Nordyne
leak-proof installation in standard copper piping systems
an open circuit indicates either a high-pressure state or a faulty internal diaphragm
ensuring it meets all original factory tolerances
Heil Quaker ICP 1186810 Limit Switch 30067439-890 While technicians may briefly jumperThe Heil Quaker ICP 1186810 Limit Switch is a critical safety component designed for precise thermal monitoring in high efficiency gas furnaces and air handlers. Engineered with a 165 degree Fahrenheit open temperature and a 125 degree Fahrenheit close temperature, this L165 40 manual reset switch prevents heat exchanger overheating by breaking the electrical circuit to the gas valve when temperatures exceed safe operating limits. This OEM replacement