Allanson 421-661 Transformer Els PW 17895 this genuine replacement part allows

this genuine replacement part allows technicians to restore factory-spec combustion without the risks of drilling out universal fittings

The face includes scales for temperature (Fahrenheit) and pressure (PSI)

24-foot Flexible Probe: The 3/8" bendable aluminum construction allows for comprehensive duct coverage to capture accurate average air readings

Thermal Expansion Control: Built-in bypass relief prevents excessive pressure buildup caused by water heaters in closed systems

Operating a furnace with a bypassed high limit safety switch is extremely hazardous and can result in heat exchanger damage or fire

Allanson 421-661 Transformer Els PW 17895 this genuine replacement part allowsThe 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