Allanson Transformers 2721-605 Transformer Els PW 17895 it is factory-set to a

it is factory-set to a specific tolerance

Bypassing this safety control can lead to fatal carbon monoxide concentrations

It is usually found on the heat exchanger base plate or in the plenum to monitor the air temperature directly leaving the heating elements

Field technicians frequently encounter discharge from the relief valve due to fouled or worn elastomers

delayed engagement beyond specifications or contacts that remain closed after the 24V signal is removed indicate a failure

Allanson Transformers 2721-605 Transformer Els PW 17895 it is factory-set to aThe Allanson 2721 605 ignition transformer is a field proven solution for reliable spark ignition in residential and commercial oil heating applications. Purpose built as a direct replacement for the Beckett 28217, this unit is engineered specifically for the Beckett S Burner chassis. Operating on a 120Vac supply voltage, it delivers a precise 10,000Vac secondary voltage at 23mA to ensure consistent arc stability even in cold start scenarios. This mid