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We recommend checking restrictor flow during every seasonal calibration cycle to ensure peak performance
What socket should I use for DIN rail installation
and building automation controllers
The setpoint is adjusted via the internal adjustment screw
Heavy-duty construction designed for high-cycle reliability in demanding heating environments
Lennox 13H27 Electrode/Sensor We recommend checking restrictor flowThe Lennox 13H27 Electrode Sensor is a critical OEM flame sensor replacement designed for high performance monitoring in residential and commercial heating cycles. This component is identical to part number 13H2701, providing a direct fit solution for technicians servicing Lennox GCS16 and GCS20 series units. Constructed with a high grade stainless steel electrode and lead oxide insulation, it effectively detects flame ionization to ensure the
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