Allanson Transformers 421-659 Transformer Els PW 17895 meaning it is set to

meaning it is set to "Open on Rise" when temperatures hit the 150°F threshold and automatically resets when the system cools to 110°F

Common Questions Does this assembly include the pilot tube

Does this unit come with all necessary mounting hardware

while the 60-inch capillary tube provides the necessary reach for flexible bulb mounting on the suction line

Allanson Transformers 421-659 Transformer Els PW 17895 meaning it is set toThe 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