Allanson Transformers 542A Transformer R-410A Enhanced Diagnostics: Integrated circuitry assists

Enhanced Diagnostics: Integrated circuitry assists in maintaining proper communication between the thermostat and firing controls

Technicians rely on the RLGP-G series for its durable diaphragm design and electrical reliability in combustion control systems

Common Questions & Technical Insights Can the SW-FS250 replace switches in other McDonnell & Miller series

consider the 16' or 26' variations of the RA 2000 series

Why choose the 3T tapered rod over the 3R threaded rod

Allanson Transformers 542A Transformer R-410A Enhanced Diagnostics: Integrated circuitry assistsThe Allanson 542A is a high performance constant duty gas ignition transformer engineered for field tested reliability in commercial and industrial combustion systems. Designed with a 120V AC primary supply and a potent 10,000V secondary output, this 265VA rated component ensures consistent arc stabilization for demanding burner sequences. As a professional grade HVAC ignition transformer, the 542A serves as the direct replacement for Allanson 542ASF