Allanson Transformers 2721-619 Transformer Els PW 17895 leading to air bypass and

leading to air bypass and decreased static pressure

How do I test if the SWT2532 is failing

The SPDT configuration allows for both normally open and normally closed connections

For field technicians troubleshooting internal boiler air flow issues or "air flow not proven" fault codes

A faulty switch typically triggers a specific diagnostic flash code on the furnace control board

Allanson Transformers 2721-619 Transformer Els PW 17895 leading to air bypass andThe Allanson 2721 619 Ignition Transformer is a high performance electrical component engineered specifically for Wayne HI Speed M MH Burners. This heavy duty unit converts a 120Vac supply voltage into a consistent 10,000Vac secondary voltage output at 23mA, utilizing a midpoint ground configuration. Designed for industrial and residential heating oil burner ignition systems, the 2721 619 features a robust internal construction that limits radio