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the Lennox 46K18 ensures optimal fuel-to-air mixing for clean ignition
and building management systems
What is the difference between the 2CH and 2C connections
it handles high-cycling demands while providing stable 24V control power distribution to the rest of the system
an upper spring seat
Allanson Transformers 2721-668 Transformer Els PW 17895 the Lennox 46K18 ensures optimalThe Allanson 2721 668 Ignition Transformer is a heavy duty, iron core electromagnetic unit designed for reliable oil burner ignition. This transformer operates on a 120Vac supply voltage and delivers a high voltage 10,000Vac secondary output at 23mA. Engineered with a midpoint ground configuration, it ensures stable arc performance and consistent combustion in residential and commercial heating systems. As the direct replacement for 2721 668SF models,
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