Allanson Transformers 2721-654 Transformer Els PW 17895 Its round metal case design

Its round metal case design ensures a direct fit for most traditional mounting brackets

Contractors rely on this specific L150-30 limit switch for its exact fit in residential and commercial air handlers

Optimized Airflow Dynamics: Maintains the critical seal required for proper static pressure and safe exhaust of combustion gases

this unit is compatible with single-stage heat pump systems that do not require auxiliary or emergency heat

Allanson Transformers 2721-654 Transformer Els PW 17895 Its round metal case designThe Allanson 2721 654 Ignition Transformer is a heavy duty power supply engineered specifically for Clean Burn waste oil burners. Designed to handle the rigorous demands of recycled oil combustion, this transformer converts a 120Vac supply voltage into a consistent 10,000Vac secondary voltage output. With a 23mA secondary current and mid point grounding, it ensures a stable arc for reliable ignition, even in cold start conditions common with high