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Common indicators include the outdoor coil being completely encased in ice or the unit staying in defrost mode for excessive durations
Industrial Build Quality: High-grade steel construction resists oxidation and warping under extreme temperatures
SPDT switch logic provides flexibility to wire for open-on-rise or close-on-rise sequences
making it a staple for any service truck specializing in commercial unit heater repair
the ignitor has likely failed and requires replacement
Lochinvar & A.O. Smith 100166244 Pressure Switch 30067439-890 Common indicators include the outdoorThe Lochinvar & A. O. Smith 100166244 is a critical OEM boiler replacement part engineered for precise air pressure monitoring within high efficiency heating systems. This 1. 06" WC SPDT pressure switch is a factory certified component designed to ensure the inducer motor or blower is generating sufficient draft before allowing the ignition sequence to proceed. As a Single Pole Double Throw (SPDT) configuration, it provides versatile switching logic,
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US$ 28.95
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