When your meter shows that the inducer is pulling appropriate vacuum but the circuit remains open

OEM Compatibility: Precision-matched for over 1

Replacing an auto-reset switch with a manual one can lead to unnecessary system lockouts and technician call-outs for simple cycling issues

HVAC safety circuits require exact matches

The robust contact system is built to handle high electrical loads

Allanson Transformers 421-659 Transformer Els PW 17895 When your meter shows thatThe Allanson 421 659 Ignition Transformer is a heavy duty power supply engineered specifically for Cleaver Brooks burners and industrial combustion systems. Designed for high demand thermal applications, this transformer operates on a 120Vac supply voltage and delivers a consistent 10,000Vac secondary voltage at 23mA. Its mid point ground configuration ensures optimal electrical stability and arc performance, reducing the risk of intermittent ignition