this normally closed disc-style switch is engineered to open the electrical circuit when internal plenum temperatures reach 300°F

Common Questions Is this kit compatible with both normally open and normally closed valves

To ensure system reliability and protect downstream controls

The 40VA rating indicates the maximum power load the transformer can handle without overheating

while the reverse can damage the transformer or the actuator motor

Maxon 45979 Ignitor 30067439-890 this normally closed disc-style switchThe Maxon 45979 Ignitor is a high performance Spark Ignitor Assembly engineered for industrial burner systems and precise combustion control. Built to withstand the rigorous temperatures of a process heating burner, this assembly features a robust ceramic insulator and a high grade metal electrode to ensure a dependable ignition spark every cycle. As a critical component in Maxon burner products, the 45979 includes a protective boot to safeguard