This specific sealing component is compatible with Spirax Sarco B1H

and Johnson Controls actuators

and GB3BM units

Simplified Retrofitting: The included ZG-113 bracket facilitates easier transitions from legacy systems without replacing existing shafts

Allanson 421-BT299 Transformer Els PW 17895 This specific sealing component isThe Allanson 421 BT299 is a heavy duty ferromagnetic ignition transformer designed for reliable high voltage performance in demanding oil burner applications. As a veteran grade service replacement transformer, this 120V ignition transformer delivers a consistent 10,000V secondary output at 23mA with a mid point ground configuration, ensuring a stable spark even in older recovery systems. Unlike standard units, the 421 BT299 is a universal oil ignitor