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High Isolation Efficiency: Engineered as a Class 2 power source to isolate the low-voltage control loop from the 120V primary feed
This OEM PTC starter functions by utilizing a positive temperature coefficient thermistor to manage the starting torque and initial current flow to the motor windings
Optimal Drainage: Engineered with internal pitching to facilitate moisture removal and prevent standing water
Fabricated from heavy-duty materials
Lennox 74N47 HSI Ignitor 30067439-890 High Isolation Efficiency: Engineered asThe Lennox 74N47 HSI Ignitor is a high performance, OEM grade hot surface ignitor specifically engineered for precision ignition in Lennox gas furnaces and condensing water boilers, including GWB9 series models. As a veteran technician knows, maintaining reliable combustion starts with a fast acting 120V element. This silicon carbide ignitor provides the necessary thermal mass to reach ignition temperatures rapidly, ensuring the gas valve opens to a
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