Allanson 421-661 Transformer Els PW 17895 when paired with an ammonia-compatible

when paired with an ammonia-compatible P399 transducer

it is often a short-term fix

What causes a Modine pressure switch to fail

and low-pressure steam applications where chemical compatibility and thermal stability are critical

Technician-Friendly Design: Features a built-in Zone Bus port and DIP switches for easy field configuration and system diagnostics

Allanson 421-661 Transformer Els PW 17895 when paired with an ammonia-compatibleThe Allanson 421 661 Ignition Transformer is a high performance Gordon Piatt replacement transformer designed for reliable spark ignition in demanding commercial burner applications. Engineered with a 120Vac supply voltage and a 10,000Vac secondary voltage output at 23mA, this unit ensures consistent arc stabilization even in fluctuating environments. This specific mid point ground transformer is built to meet the exact electrical requirements of